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145-560: The Booth Brothers was initially formed in the 1950s by Ron Booth Sr. with his brothers Charles, James, and Wallace, after they moved to Detroit . However, Ron decided to disband the group in 1963 when he joined the Toney Brothers . In 1990, Ron's youngest son, Michael (b. October 8, 1971), decided to revive the group with his brother Ronnie II (b. June 28, 1965), and his father. They started performing and touring around Florida and recorded several albums. In 1998, Ron decided to retire and

290-511: A Grammy Award for Best Southern, Country, or Bluegrass Gospel Album for their album Room for More . The album was also nominated for two Dove Awards at the 40th GMA Dove Awards : Southern Gospel Album of the Year and Southern Gospel Recorded Song of the Year. Other Awards & Recognitions: Detroit Detroit ( / d ɪ ˈ t r ɔɪ t / dih- TROYT , locally also / ˈ d iː t r ɔɪ t / DEE -troyt )

435-503: A Dream " speech in Washington, D.C., two months later. While the civil rights movement gained significant federal civil rights laws in 1964 and 1965, longstanding inequities resulted in confrontations between the police and inner-city black youth who wanted change. I have a dream this afternoon that my four little children, that my four little children will not come up in the same young days that I came up within, but they will be judged on

580-504: A coastline is impossible to measure exactly . Canada borders approximately 5,200 miles (8,400 km) of coastline, while the remaining 5,300 miles (8,500 km) are bordered by the United States. Michigan has the longest shoreline of the United States, bordering roughly 3,288 miles (5,292 km) of lakes, followed by Wisconsin (820 miles (1,320 km)), New York (473 miles (761 km)), and Ohio (312 miles (502 km)). Traversing

725-407: A cohesive community, who gradually were superseded as the dominant population after more Anglo-American settlers arrived in the early 19th century with American westward migration. Living along the shores of Lake St. Clair and south to Monroe and downriver suburbs, the ethnic French Canadians of Detroit, also known as Muskrat French in reference to the fur trade, remain a subculture in the region in

870-464: A direct relationship between unfair housing practices and educational segregation, as the composition of students in the schools followed segregated neighborhoods. The District Court held all levels of government accountable for the segregation in its ruling. The Sixth Circuit Court of Appeals affirmed some of the decision, holding that it was the state's responsibility to integrate across the segregated metropolitan area. The U.S. Supreme Court took up

1015-612: A federally subsidized, extensive highway and freeway system around Detroit, and pent-up demand for new housing stimulated suburbanization ; highways made commuting by car for higher-income residents easier. However, this construction had negative implications for many lower-income urban residents. Highways were constructed through and completely demolished neighborhoods of poor residents and black communities who had less political power to oppose them. The neighborhoods were mostly low income, considered blighted, or made up of older housing where investment had been lacking due to racial redlining, so

1160-523: A large watershed via many rivers and contain approximately 35,000 islands. There are also several thousand smaller lakes, often called "inland lakes", within the basin. The surface area of the five primary lakes combined is roughly equal to the size of the United Kingdom, while the surface area of the entire basin (the lakes and the land they drain) is about the size of the UK and France combined. Lake Michigan

1305-530: A majority of black people in Detroit resorted to living in all-black neighborhoods such as Black Bottom and Paradise Valley. At this time, white people still made up about 90.4% of the city's population. White residents attacked black homes: breaking windows, starting fires, and detonating bombs. In the 1940s the world's "first urban depressed freeway" ever built, the Davison , was constructed. During World War II ,

1450-530: A mixed-use office and retail complex, opened in 1977. This group of skyscrapers was an attempt to keep businesses in downtown. Young also gave city support to other large developments to attract middle and upper-class residents back to the city. Despite the Renaissance Center and other projects, the downtown area continued to lose businesses to the automobile-dependent suburbs. Major stores and hotels closed, and many large office buildings went vacant. Young

1595-405: A national basis. The total surface area of the lakes is approximately 94,250 square miles (244,100 km )—nearly the same size as the United Kingdom, and larger than the U.S. states of New York , New Jersey , Connecticut , Rhode Island , Massachusetts , Vermont , and New Hampshire combined. The Great Lakes coast measures approximately 10,500 miles (16,900 km), but the length of

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1740-456: A nuisance to industries by clogging pipes. The U.S. Fish and Wildlife Service estimated in 2007 that the economic impact of the zebra mussel could be about $ 5 billion over the next decade. The alewife first entered the system west of Lake Ontario via 19th-century canals. By the 1960s, the small silver fish had become a familiar nuisance to beach goers across Lakes Michigan, Huron, and Erie. Periodic mass die-offs result in vast numbers of

1885-681: A possible reason for a decrease in population of various whitefish , important because of their culinary desirability and, hence, economic consequence. Moreover, between 1879 and 1899, reported whitefish harvests declined from some 24.3 million pounds (11 million kg) to just over 9 million pounds (4 million kg). By 1900, commercial fishermen on Lake Michigan were hauling in an average of 41 million pounds of fish annually. By 1938, Wisconsin's commercial fishing operations were motorized and mechanized, generating jobs for more than 2,000 workers, and hauling 14 million pounds per year. The population of giant freshwater mussels

2030-513: A reconfiguration of downtown's main intersection as a new park, was opened in 2004. The park has been cited as one of the best public spaces in the United States. In 2001, the first portion of the International Riverfront redevelopment was completed as a part of the city's 300th-anniversary celebration. In September 2008, Mayor Kwame Kilpatrick (who had served for six years) resigned following felony convictions. In 2013, Kilpatrick

2175-560: A relatively small area of southeast Lake Michigan where savanna or prairie occasionally intruded). Logging, urbanization, and agriculture uses have changed that relationship. In the early 21st century, Lake Superior's shores are 91% forested, Lake Huron 68%, Lake Ontario 49%, Lake Michigan 41%, and Lake Erie, where logging and urbanization has been most extensive, 21%. Some of these forests are second or third growth (i.e. they have been logged before, changing their composition). At least 13 wildlife species are documented as becoming extinct since

2320-555: A rented workshop on Mack Avenue. During this growth period, Detroit expanded its borders by annexing all or part of several surrounding villages and townships. In 1903, Henry Ford founded the Ford Motor Company . Ford's manufacturing—and those of automotive pioneers William C. Durant , Horace and John Dodge, James and William Packard, and Walter Chrysler —established the Big Three automakers and cemented Detroit's status in

2465-552: A riverfront revitalization project. Detroit is an increasingly popular tourist destination which caters to about 16 million visitors per year. In 2015, Detroit was given a name called " City of Design " by UNESCO , the first and only U.S. city to receive that designation. Detroit is named after the Detroit River , connecting Lake Huron with Lake Erie . The name comes from the French word détroit meaning ' strait ' as

2610-483: A season, and can survive poor water quality conditions. The influx of parasitic lamprey populations after the development of the Erie Canal and the much later Welland Canal led to the two federal governments of the United States and Canada working on joint proposals to control it. By the mid-1950s, the lake trout populations of Lakes Michigan and Huron were reduced, with the lamprey deemed largely to blame. This led to

2755-707: A second fault line, the Saint Lawrence rift , formed approximately 570 million years ago, the basis for Lakes Ontario and Erie was created, along with what would become the Saint Lawrence River. The Great Lakes are estimated to have been formed at the end of the Last Glacial Period (the Wisconsin glaciation ended 10,000 to 12,000 years ago), when the Laurentide Ice Sheet receded. The retreat of

2900-680: A single body of water, as they are joined by Straits of Mackinac .) The Great Lakes Waterway enables modern travel and shipping by water among the lakes. The lakes connect to the Atlantic Ocean via the Saint Lawrence River , and to the Mississippi River basin through the Illinois Waterway . The Great Lakes are the largest group of freshwater lakes on Earth by total area and the second-largest by total volume. They contain 21% of

3045-673: A small percid fish from Eurasia, became the most abundant fish species in Lake Superior's Saint Louis River within five years of its detection in 1986. Its range, which has expanded to Lake Huron, poses a significant threat to the lower lake fishery. Five years after first being observed in the St. Clair River, the round goby can now be found in all of the Great Lakes. The goby is considered undesirable for several reasons: it preys upon bottom-feeding fish, overruns optimal habitat, spawns multiple times

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3190-470: A state of urban decay which has continued to the present, as a result of industrial restructuring, the loss of jobs in the auto industry, and rapid suburbanization . Since reaching a peak of 1.85 million at the 1950 census , Detroit's population has declined by more than 65 percent. In 2013, Detroit became the largest U.S. city to file for bankruptcy , but successfully exited in December 2014. Detroit

3335-414: Is "new" water, originating from rivers, precipitation, and groundwater springs. In the post-glacial period, evaporation , and drainage have generally been balanced, making the levels of the lakes relatively constant. Intensive human population growth began in the region in the 20th century and continues today. At least two human water use activities have been identified as having the potential to affect

3480-734: Is a port on the Detroit River, one of the four major straits that connect the Great Lakes system to the St. Lawrence Seaway . The city anchors the third-largest regional economy in the Midwest and the 16th-largest in the United States. It is also best known as the center of the U.S. automotive industry , and the " Big Three " auto manufacturers— General Motors , Ford , and Stellantis North America ( Chrysler )—are all headquartered in Metro Detroit. It houses

3625-621: Is flat according to the International Joint Commission. Reports about this issue on the U.S. side highlight five large municipal systems (those of Detroit, Cleveland, Buffalo, Milwaukee and Gary ) as being the largest current periodic sources of untreated discharges into the Great Lakes. The fish of the Great Lakes have anti-depressant drugs meant for humans in their brains, which has caused concerns. The number of American adults who take anti-depressant drugs rose from 7.7% of all American adults in 1999–2002 to 12.7% in 2011–2014. As

3770-546: Is heavy. Pleasure boats can enter or exit the Great Lakes by way of the Erie Canal and Hudson River in New York. The Erie Canal connects to the Great Lakes at the east end of Lake Erie (at Buffalo, New York ) and at the south side of Lake Ontario (at Oswego, New York ). The lakes were originally fed by both precipitation and meltwater from glaciers which are no longer present. In modern times, only about 1% of volume per year

3915-577: Is quoted as saying, "Thank God for Michigan!" George Armstrong Custer led the Michigan Brigade during the Civil War and called them the "Wolverines". The city's tensions over race, and nationally, the draft led to the Detroit race riot of 1863 , in which violence erupted, leaving some dead and over 200 Black residents homeless. This prompted the establishment of a full-time police force in 1865. During

4060-560: Is the most populous city in the U.S. state of Michigan . It is the largest U.S. city on the Canadian border and the county seat of Wayne County . Detroit had a population of 639,111 at the 2020 census , making it the 26th-most populous city in the United States. The Metro Detroit area, home to 4.3 million people, is the second-largest in the Midwest after the Chicago metropolitan area and

4205-510: Is the only one of the Great Lakes that is entirely within the United States; the others form a water boundary between the United States and Canada. The lakes are divided among the jurisdictions of the Canadian province of Ontario and the U.S. states of Michigan , Wisconsin , Minnesota , Illinois , Indiana , Ohio , Pennsylvania , and New York . Both the province of Ontario and the state of Michigan include in their boundaries portions of four of

4350-944: The Chicago Sanitary and Ship Canal to the Gulf of Mexico via the Illinois River (from the Chicago River ) and the Mississippi River. An alternate track is via the Illinois River (from Chicago), to the Mississippi, up the Ohio, and then through the Tennessee–Tombigbee Waterway (a combination of a series of rivers and lakes and canals), to Mobile Bay and the Gulf of Mexico. Commercial tug -and- barge traffic on these waterways

4495-561: The Chicago Tribune , it was the 3rd most costly riot in the United States. On August 18, 1970, the NAACP filed suit against Michigan state officials, including Governor William Milliken , charging de facto public school segregation. The NAACP argued that although schools were not legally segregated, the city of Detroit and its surrounding counties had enacted policies to maintain racial segregation in public schools. The NAACP also suggested

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4640-576: The Detroit Metropolitan Airport , one of the most important hub airports in the United States. Detroit and its neighboring Canadian city Windsor constitute the second-busiest international crossing in North America, after San Diego–Tijuana . Detroit's culture is marked with diversity, having both local and international influences. Detroit gave rise to the music genres of Motown and techno , and also played an important role in

4785-832: The Door Peninsula , the Peninsulas of Michigan , and the Ontario Peninsula . Some of these peninsulas even contain smaller peninsulas, such as the Bruce , Keweenaw , Leelanau , Niagara , and Thumb peninsulas. Population centers on the peninsulas include Grand Rapids , Flint , and Detroit in Michigan along with London , Hamilton , Brantford , and Toronto in Ontario. Although the Saint Lawrence Seaway and Great Lakes Waterway make

4930-516: The Environmental Protection Agency have shown that when the mercury comes in contact with many of the bacteria and compounds in the fresh water, it forms the compound methyl mercury , which has a much greater impact on human health than elemental mercury due to a higher propensity for absorption. This form of mercury is not detrimental to a majority of fish types, but is very detrimental to people and other wildlife animals who consume

5075-669: The Finger Lakes region of New York, as well as in Prince Edward County, Ontario , on Lake Ontario's northeast shore. The Great Lakes have been observed to help intensify storms, such as Hurricane Hazel in 1954, and the 2011 Goderich, Ontario tornado , which moved onshore as a tornadic waterspout . In 1996, a rare tropical or subtropical storm was observed forming in Lake Huron, dubbed the 1996 Lake Huron cyclone . Rather large severe thunderstorms covering wide areas are well known in

5220-427: The Great Lakes region . The city's population rose to be the fourth-largest in the nation by 1920, after New York City , Chicago , and Philadelphia , with the expansion of the automotive industry in the early 20th century. One of its main features, the Detroit River , became the busiest commercial hub in the world—carrying over 65 million tons of shipping commerce each year. In the mid-20th century, Detroit entered

5365-513: The Niagara Escarpment precludes all natural navigation, the four upper lakes are commonly called the "upper great lakes". This designation is not universal. Those living on the shore of Lake Superior often refer to all the other lakes as "the lower lakes", because they are farther south. Sailors of bulk freighters transferring cargoes from Lake Superior and northern Lake Michigan and Lake Huron to ports on Lake Erie or Ontario commonly refer to

5510-539: The Potowatomi , Ojibwe and Huron, launched Pontiac's War in 1763 and laid siege to Fort Detroit but failed to capture it. In defeat, France ceded its territory in North America east of the Mississippi to Britain following the war. When Great Britain evicted France from Canada , it also removed one barrier to American colonists migrating west. British negotiations with the Iroquois would both prove critical and lead to

5655-760: The Royal Proclamation of 1763 , which limited settlements below the Great Lakes and west of the Alleghenies . Many colonists and pioneers in the Thirteen Colonies resented and then defied this restraint, later becoming supporters of the American Revolution . By 1773, after the addition of the Anglo-American settlers, the population of Detroit was 1,400. During the American Revolutionary War,

5800-641: The Twelfth Street riot in July 1967. Governor George W. Romney ordered the Michigan National Guard into Detroit, and President Lyndon B. Johnson sent in U.S. Army troops. The result was 43 dead, 467 injured, over 7,200 arrests, and more than 2,000 buildings destroyed, mostly in black residential and business areas. Thousands of small businesses closed permanently or relocated to safer neighborhoods. The affected district lay in ruins for decades. According to

5945-497: The biosphere . Since the 19th century, an estimated 160 new species have found their way into the Great Lakes ecosystem; many have become invasive; the overseas ship ballast and ship hull parasitism are causing severe economic and ecological impacts. According to the Inland Seas Education Association, on average a new species enters the Great Lakes every eight months. Introductions into the Great Lakes include

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6090-414: The zebra mussel , which was first discovered in 1988, and quagga mussel in 1989. Since 2000, the invasive quagga mussel has smothered the bottom of Lake Michigan almost from shore to shore, and their numbers are estimated at 900 trillion. The mollusks are efficient filter feeders, competing with native mussels and reducing available food and spawning grounds for fish. In addition, the mussels may be

6235-579: The " snowbelts " receive regular snow fall from this localized weather pattern, especially along the eastern shores of the lakes. Snowbelts are found in Wisconsin, Michigan, Ohio, Pennsylvania, New York, and Ontario. Related to the lake effect is the regular occurrence of fog, particularly along the shorelines of the lakes. This is most noticeable along Lake Superior's shores. The lakes tend to moderate seasonal temperatures to some degree but not with as large an influence as do large oceans; they absorb heat and cool

6380-566: The "Paris of the West" for its architecture, grand avenues in the Paris style, and for Washington Boulevard, recently electrified by Thomas Edison . The city had grown steadily from the 1830s with the rise of shipping, shipbuilding, and manufacturing industries. Strategically located along the Great Lakes waterway, Detroit emerged as a major port and transportation hub. In 1896, a thriving carriage trade prompted Henry Ford to build his first automobile in

6525-688: The "vice president" or "secretary", and Laura Smith Haviland the "superintendent". Numerous men from Detroit volunteered to fight for the Union during the Civil War, including the 24th Michigan Infantry Regiment . It was part of the Iron Brigade , which fought with distinction and suffered 82% casualties at the Battle of Gettysburg in 1863. When the First Volunteer Infantry Regiment arrived to fortify Washington, D.C. , President Abraham Lincoln

6670-461: The 14th-largest in the United States. A significant cultural center, Detroit is known for its contributions to music, art, architecture and design, in addition to its historical automotive background. In 1701, Antoine de la Mothe Cadillac and Alphonse de Tonty founded Fort Pontchartrain du Détroit . During the late 19th and early 20th century, it became an important industrial hub at the center of

6815-482: The 155 people on board, as well as two people on the ground. In 1993, Young retired as Detroit's longest-serving mayor, deciding not to seek a sixth term, with Dennis Archer succeeding him. Archer prioritized downtown development, easing tensions with its suburban neighbors. A referendum to allow casino gambling in the city passed in 1996; several temporary casino facilities opened in 1999, and permanent downtown casinos with hotels opened in 2007–08. Campus Martius ,

6960-500: The 1920s the city had become a stronghold of the KKK", whose members primarily opposed Catholic and Jewish immigrants but also practiced discrimination against Black Americans. Even after the decline of the KKK in the late 1920s, the Black Legion , a secret vigilante group, was active in the Detroit area in the 1930s. One-third of its estimated 20,000 to 30,000 members in Michigan were based in

7105-455: The 21st century. The Great Fire of 1805 destroyed most of the Detroit settlement, which had primarily buildings made of wood. One stone fort, a river warehouse, and brick chimneys of former wooden homes were the sole structures to survive. Of the 600 Detroit residents in this area, none died in the fire. The legacy of the fire of 1805 lives on in many aspects of modern Detroit heritage. The cities motto, "Speramus Meliora; Resurget Cineribus"

7250-564: The American auto industry. Detroit manufacturers such as Packard and Hudson merged into other companies and eventually disappeared. At its peak population of 1,849,568, in the 1950 Census , the city was the fifth-largest in the United States. In this postwar era, the auto industry continued to create opportunities for many African Americans from the South, who continued with their Great Migration to Detroit and other northern and western cities to escape

7395-617: The Canadian side, Toronto , Hamilton and Mississauga . Though the five lakes lie in separate basins, they form a single, naturally interconnected body of fresh water, within the Great Lakes Basin . As a chain of lakes and rivers, they connect the east-central interior of North America to the Atlantic Ocean. From the interior to the outlet at the Saint Lawrence River, water flows from Superior to Huron and Michigan, southward to Erie, and finally northward to Lake Ontario. The lakes drain

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7540-489: The Chicago Sanitary and Ship Canal in order to keep several species of invasive Asian carp out of the lakes. These fast-growing planktivorous fish have heavily colonized the Mississippi and Illinois river systems. Invasive species, particularly zebra and quagga mussels, may be at least partially responsible for the collapse of the deepwater demersal fish community in Lake Huron, as well as drastic unprecedented changes in

7685-519: The Detroit River carried 67,292,504 tons of shipping commerce through Detroit to locations all over the world. For comparison, London shipped 18,727,230 tons, and New York shipped 20,390,953 tons. The river was dubbed "the Greatest Commercial Artery on Earth" by The Detroit News in 1908. The prohibition of alcohol from 1920 to 1933 resulted in the Detroit River becoming a major conduit for smuggling of illegal Canadian spirits. With

7830-458: The Great Lakes accessible to ocean-going vessels, shifts in shipping to wider ocean-going container ships —which do not fit through the locks on these routes—have limited container shipping on the lakes. Most Great Lakes trade is of bulk material, and bulk freighters of Seawaymax -size or less can move throughout the entire lakes and out to the Atlantic. Larger ships are confined to working within

7975-459: The Great Lakes during mid-summer; these Mesoscale convective complexes or MCCs can cause damage to wide swaths of forest and shatter glass in city buildings. These storms mainly occur during the night, and the systems sometimes have small embedded tornadoes, but more often straight-line winds accompanied by intense lightning. Historically, the Great Lakes, in addition to their lake ecology , were surrounded by various forest ecoregions (except in

8120-441: The Great Lakes each year. Plastics in the water break up into very small particles known as microplastics . Microplastics can also come from synthetic clothing washed down our drains. Plastic waste found in the lakes include single-use plastics , plastics used in packaging, takeout containers as well as pre-production pellets produced by plastics industry . High concentrations of microplastics were discovered in 100 percent of

8265-438: The Great Lakes region include: Plant lists include: Logging of the extensive forests in the Great Lakes region removed riparian and adjacent tree cover over rivers and streams, which provide shade, moderating water temperatures in fish spawning grounds. Removal of trees also destabilized the soil, with greater volumes washed into stream beds causing siltation of gravel beds, and more frequent flooding. Running cut logs down

8410-550: The Great Lakes. A number of self-operating floating devices called Seabin, were put in the Great Lakes to capture plastic trash as part of the Great Lakes Plastic Cleanup project. The project captured 74,000 pieces of trash using this technology between 2020 and 2021; however, it does not claim to catch up with 22 million pounds (10.0 kt) of plastic that ends up in Great Lakes every year. The production, consumption, and throwing away of plastics seems to remain

8555-714: The Iroquois League, with whom they were at war in the 1630s. The Huron and Neutral people held the north side of Lake Erie until the 1650s, when the Iroquois pushed them and the Erie people away from the lake and its beaver -rich feeder streams in the Beaver Wars of 1649–1655. By the 1670s, the war-weakened Iroquois laid claim to as far south as the Ohio River valley in northern Kentucky as hunting grounds, and had absorbed many other Iroquoian peoples after defeating them in war. For

8700-518: The South. Whites, including ethnic Europeans, feared black competition for jobs and scarce housing. The federal government prohibited discrimination in defense work, but when in June 1943 Packard promoted three black people to work next to whites on its assembly lines, 25,000 white workers walked off the job. The 1943 Detroit race riot took place in June, three weeks after the Packard plant protest, beginning with an altercation at Belle Isle . A total of 34 people were killed, 25 of them black and most at

8845-400: The South; they were outnumbered by southern whites who also migrated to the city. Immigration brought southern and eastern Europeans of Catholic and Jewish faith; these new groups competed with native-born whites for jobs and housing in the booming city. Detroit was one of the major Midwest cities that was a site for the dramatic urban revival of the Ku Klux Klan (KKK) beginning in 1915. "By

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8990-401: The Straits of Mackinac. The straits are five miles (8 km) wide and 120 feet (37 m) deep; the water levels rise and fall together, and the flow between Michigan and Huron frequently reverses direction. Dispersed throughout the Great Lakes are approximately 35,000 islands . The largest among them is Manitoulin Island in Lake Huron, the largest island in any inland body of water in

9135-427: The U.S. A variety of steps taken to process industrial and municipal pollution discharges into the system greatly improved water quality by the 1980s, and Lake Erie in particular is significantly cleaner. Discharge of toxic substances has been sharply reduced. Federal and state regulations control substances like PCBs . The first of 43 " Great Lakes Areas of Concern " to be formally "de-listed" through successful cleanup

9280-495: The air in summer, then slowly radiate that heat in autumn. They protect against frost during transitional weather and keep the summertime temperatures cooler than further inland. This effect can be very localized and overridden by offshore wind patterns. This temperature buffering produces areas known as " fruit belts ", where fruit can be produced that is typically grown much farther south. For instance, western Michigan has apple orchards, and cherry orchards are cultivated adjacent to

9425-459: The anti-depressant drugs pass out of human bodies and through sanitation systems into the Great Lakes, this has resulted in fish in the Great Lakes with twenty times the level of anti-depressants in their brains than what is in the water, leading to the fish being exceedingly happy and hence less risk-averse, to the extent of damaging the fish populations. Researchers have found that more than 22 million pounds (10.0 kt) of plastic end up in

9570-432: The arrival of Europeans, and many more are threatened or endangered. Meanwhile, exotic and invasive species have also been introduced. While the organisms living on the bottom of shallow waters are similar to those found in smaller lakes, the deep waters contain organisms found only in deep, cold lakes of the northern latitudes. These include the delicate opossum shrimp (order mysida ), the deepwater scud (a crustacean of

9715-504: The basins they had carved into the land, which then filled with meltwater. The lakes have been a major source for transportation, migration, trade, and fishing, serving as a habitat to many aquatic species in a region with much biodiversity . The surrounding region is called the Great Lakes region , which includes the Great Lakes Megalopolis . Major cities within the region include, on the American side, from east to west, Buffalo , Cleveland , Detroit , Chicago , and Milwaukee ; and, on

9860-407: The basis of the content of their character, not the color of their skin ... I have a dream this evening that one day we will recognize the words of Jefferson that "all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness." I have a dream ... Longstanding tensions in Detroit culminated in

10005-455: The case February 27, 1974. The subsequent Milliken v. Bradley decision had nationwide influence. In a narrow decision, the Supreme Court found schools were a subject of local control, and suburbs could not be forced to aid with the desegregation of the city's school district. "Milliken was perhaps the greatest missed opportunity of that period", said Myron Orfield , professor of law at the University of Minnesota Law School . "Had that gone

10150-421: The center of the flag of the city. From 1805 to 1847, Detroit was the capital of Michigan as a territory and as a state. William Hull , the United States commander at Detroit, surrendered without a fight to British troops and their Native American allies during the War of 1812 in the siege of Detroit , believing his forces were vastly outnumbered. The Battle of Frenchtown was part of a U.S. effort to retake

10295-653: The city was situated on a narrow passage of water linking the two lakes. The river was known as le détroit du Lac Érié in French, which means ' the strait of Lake Erie ' . In the historical context, the strait included the St. Clair River , Lake St. Clair , and the Detroit River. [REDACTED]   Kingdom of France 1701–1760 [REDACTED]   Kingdom of Great Britain 1760–1796 [REDACTED]   United States 1796–1812 [REDACTED]   United Kingdom 1812–1813 [REDACTED]   United States 1813–present Paleo-Indians inhabited areas near Detroit as early as 11,000 years ago including

10440-697: The city's access to the Canada–US border made it a key stop for refugee slaves gaining freedom in the North along the Underground Railroad . Many went across the Detroit River to Canada to escape pursuit by slave catchers. An estimated 20,000 to 30,000 African-American refugees settled in Canada. George DeBaptiste was considered to be the "president" of the Detroit Underground Railroad, William Lambert

10585-460: The city's population declined to less than 10 percent of the state's population. During the same time period, the sprawling metropolitan area grew to contain more than half of Michigan's population. The shift of population and jobs eroded Detroit's tax base. In June 1963, Rev. Martin Luther King Jr. gave a major speech as part of a civil rights march in Detroit that foreshadowed his " I Have

10730-535: The city, and U.S. troops suffered their highest fatalities of any battle in the war. This battle is commemorated at River Raisin National Battlefield Park south of Detroit in Monroe County . Detroit was recaptured by the United States later that year. The settlement was incorporated as a city in 1815. As the city expanded, a radial geometric street plan developed by Chief Justice Augustus B. Woodward

10875-541: The city. It was defeated after numerous prosecutions following the kidnapping and murder in 1936 of Charles Poole, a Catholic organizer with the federal Works Progress Administration . Some 49 men of the Black Legion were convicted of numerous crimes, with many sentenced to life in prison for murder. By 1940, 80% of Detroit deeds contained restrictive covenants prohibiting African Americans from buying houses they could afford. These discriminatory tactics were successful as

11020-427: The core of Great Lakes trash problem. Algae such as diatoms , along with other phytoplankton , are photosynthetic primary producers supporting the food web of the Great Lakes, and have been affected by global warming . The changes in the size or in the function of the primary producers may have a direct or an indirect impact on the food web. Photosynthesis carried out by diatoms constitutes about one fifth of

11165-535: The culture referred to as the Mound Builders . By the 17th century, the region was inhabited by Huron , Odawa , Potawatomi , and Iroquois peoples. The area is known by the Anishinaabe people as Waawiiyaataanong , translating to 'where the water curves around'. The first Europeans did not penetrate into the region and reach the straits of Detroit until French missionaries and traders worked their way around

11310-750: The cyanobacteria ... will produce toxins", said Michael McKay, of the University of Windsor. Water quality testing was underway in August 2019. Until 1970, mercury was not listed as a harmful chemical, according to the United States Federal Water Quality Administration. In the 21st century, mercury has become more apparent in water tests. Mercury compounds have been used in paper mills to prevent slime from forming during their production, and chemical companies have used mercury to separate chlorine from brine solutions. Studies conducted by

11455-464: The development of jazz , hip-hop , rock , and punk . A globally unique stock of architectural monuments and historic places was the result of the city's rapid growth in its boom years. Since the 2000s, conservation efforts have managed to save many architectural pieces and achieve several large-scale revitalizations , including the restoration of several historic theaters and entertainment venues, high-rise renovations, new sports stadiums, and

11600-449: The early 20th century as the world's automotive capital. The growth of the auto industry was reflected by changes in businesses throughout the Midwest and nation, with the development of garages to service vehicles and gas stations, as well as factories for parts and tires. Because of the booming auto industry, Detroit became the fourth-largest city in the nation by 1920, following New York City , Chicago , and Philadelphia . In 1907,

11745-534: The establishment of the United States as an independent country, Britain ceded Detroit and other territories in the region under the 1783 Treaty of Paris , which established the southern border with its remaining colonial provinces in British North America , later Upper Canada . However, the area remained under British control, and its forces did not withdraw until 1796, following the 1794 Jay Treaty . By

11890-455: The fish that were studied by researchers from the Rochman Lab. About 50 million pounds (23 kt) of fish is harvested each year from Great Lakes which has raised concerns on how this might affect human health. Microscopic pieces of plastic have also been found in drinking water coming from Great Lakes. It is estimated that nearly 40 million people in the region rely on drinking water from

12035-443: The fish washing up on shore; estimates by various governments have placed the percentage of Lake Michigan's biomass which was made up of alewives in the early 1960s as high as 90%. In the late 1960s, the various state and federal governments began stocking several species of salmonids, including the native lake trout as well as non-native chinook and coho salmon; by the 1980s, alewife populations had dropped drastically. The ruffe ,

12180-443: The fish. Mercury has been known for health related problems such as birth defects in humans and animals, and the near extinction of eagles in the Great Lakes region. The amount of raw sewage dumped into the waters was the primary focus of both the first Great Lakes Water Quality Agreement and federal laws passed in both countries during the 1970s. Implementation of secondary treatment of municipal sewage by major cities greatly reduced

12325-471: The five Great Lakes have long been called inland seas . Depending on how it is measured, by surface area, either Lake Superior or Lake Michigan–Huron is the second-largest lake in the world and the largest freshwater lake. Lake Michigan is the largest lake, by surface area, that is entirely within one country, the United States. The Great Lakes began to form at the end of the Last Glacial Period around 14,000 years ago, as retreating ice sheets exposed

12470-417: The glaciers "rebounded" as it was uncovered. Since the glaciers covered some areas longer than others, this glacial rebound occurred at different rates. The Great Lakes have a humid continental climate, Köppen climate classification Dfa (in southern areas) and Dfb (in northern parts) with varying influences from air masses from other regions including dry, cold Arctic systems, mild Pacific air masses from

12615-682: The government encouraged retooling of the American automobile industry in support of the Allied powers , leading to Detroit's key role in the American Arsenal of Democracy . Jobs expanded so rapidly due to the defense buildup in World War II that 400,000 people migrated to the city from 1941 to 1943, including 50,000 blacks in the second wave of the Great Migration, and 350,000 whites, many of them from

12760-402: The hands of the white police force, while 433 were wounded (75% of them black), and property valued at $ 2 million (worth $ 30.4 million in 2020) was destroyed. Rioters moved through the city, and young whites traveled across town to attack more settled blacks in their neighborhood of Paradise Valley . Industrial mergers in the 1950s, especially in the automobile sector, increased oligopoly in

12905-489: The highways were presented as a kind of urban renewal. These neighborhoods (such as Black Bottom and Paradise Valley) were extremely important to the black communities of Detroit, providing spaces for independent black businesses and social/cultural organizations. Their destruction displaced residents with little consideration of the effects of breaking up functioning neighborhoods and businesses. In 1956, Detroit's last heavily used electric streetcar line , which traveled along

13050-410: The historical average level. Although "true tides—changes in water level caused by the gravitational forces of the sun and moon—do occur in a semi-diurnal (twice daily) pattern", such changes are quite small and generally obscured by other forces. The lake levels are affected primarily by changes in regional meteorology and climatology. The outflows from Lakes Superior and Ontario are regulated, while

13195-488: The ice sheet left behind a large amount of meltwater ( Lake Algonquin , Lake Chicago , Glacial Lake Iroquois , and Champlain Sea ) that filled up the basins that the glaciers had carved, thus creating the Great Lakes as they are today. Because of the uneven nature of glacier erosion , some higher hills became Great Lakes islands. The Niagara Escarpment follows the contour of the Great Lakes between New York and Wisconsin. Land below

13340-571: The indigenous and loyalist raids of 1778 and the resultant 1779 decisive Sullivan Expedition reopened the Ohio Country to even more westward emigration, which began almost immediately. By 1778, its population reached 2,144 and it was the third-largest city in what was known as the Province of Quebec since the British takeover of former French colonial possessions. After the American Revolutionary War and

13485-496: The influence of union leaders in the city such as Jimmy Hoffa of the Teamsters and Walter Reuther of the UAW. Detroit, like many places in the United States, developed racial conflict and discrimination in the 20th century following the rapid demographic changes as hundreds of thousands of new workers were attracted to the industrial city. The Great Migration brought rural blacks from

13630-407: The influx of black Detroiters to white neighborhoods, believing that their presence would lead to neighborhood deterioration. This perpetuated a cyclical exclusionary process that marginalized the agency of black Detroiters by trapping them in the unhealthiest, least safe areas of the city. As in other major American cities in the postwar era, modernist planning ideology drove the construction of

13775-545: The key indicators even in the current era of sophisticated analyses and measuring instruments. According to the bi-national (U.S. and Canadian) resource book, The Great Lakes: An Environmental Atlas and Resource Book : "The largest Great Lakes fish harvests were recorded in 1889 and 1899 at some 67,000 tonnes (66,000 long tons; 74,000 short tons) [147 million pounds]." By 1801, the New York Legislature found it necessary to pass regulations curtailing obstructions to

13920-597: The lake and causing blooms," said Michael McKay, executive director of the Great Lakes Institute for Environmental Research (GLIER) at the University of Windsor . The largest Lake Erie bloom to date occurred in 2015, exceeding the severity index at 10.5 and in 2011 at a 10. In early August 2019, satellite images depicted a bloom stretching up to 1,300 square kilometres on Lake Erie, with the heaviest concentration near Toledo, Ohio . A large bloom does not necessarily mean

14065-634: The lake shore as far north as the Grand Traverse Bay . Near Collingwood, Ontario , commercial fruit orchards, including a few wineries, exist near the shoreline of southern Nottawasaga Bay . The eastern shore of Lake Michigan and the southern shore of Lake Erie have many successful wineries because of the lakes' moderating effects, as do the large commercial fruit and wine growing areas of the Niagara Peninsula located between Lake Erie and Lake Ontario. A similar phenomenon allows wineries to flourish in

14210-525: The lakes has been observed since records began in 1918. The water level of Lake Michigan–Huron had remained fairly constant over the 20th century. Recent lake levels include record low levels in 2013 in Lakes Superior, Erie, and Michigan-Huron, followed by record high levels in 2020 in the same lakes. The water level in Lake Ontario has remained relatively constant in the same time period, hovering around

14355-464: The lakes' levels: diversion (the transfer of water to other watersheds) and consumption (substantially done today by the use of lake water to power and cool electric generation plants, resulting in evaporation). Outflows through the Chicago Sanitary and Ship Canal is more than balanced by artificial inflows via the Ogoki River and Long Lake/ Kenogami River diversions. Fluctuation of the water levels in

14500-454: The lakes. Only barges can access the Illinois Waterway system providing access to the Gulf of Mexico via the Mississippi River. Despite their vast size, large sections of the Great Lakes freeze over in winter, interrupting most shipping from January to March. Some icebreakers ply the lakes, keeping the shipping lanes open through other periods of ice on the lakes. The Great Lakes are connected by

14645-415: The lakes. The province of Ontario does not border Lake Michigan, and the state of Michigan does not border Lake Ontario. New York and Wisconsin's jurisdictions extend into two lakes, and each of the remaining states into one of the lakes. As the surfaces of Lakes Superior, Huron, Michigan, and Erie are all approximately the same elevation above sea level, while Lake Ontario is significantly lower, and because

14790-637: The largest European settlement between Montreal and New Orleans , both also French settlements, in the former colonies of New France and La Louisiane , respectively. During the French and Indian War (1754–63)—the North American front of the Seven Years' War between the Kingdom of Great Britain and the Kingdom of France —British troops gained control of the settlement in 1760 and shortened its name to Detroit. Several regional Native American tribes, such as

14935-521: The late 19th century, wealthy industry and shipping magnates commissioned the design and construction of several Gilded Age mansions east and west of the current downtown, along the major avenues of the Woodward plan. Most notable among them was the David Whitney House at 4421 Woodward Avenue , and the grand avenue became a favored address for mansions. During this period, some referred to Detroit as

15080-468: The latter as the lower lakes and Lakes Michigan, Huron, and Superior as the upper lakes. This corresponds to thinking of lakes Erie and Ontario as "down south" and the others as "up north". Vessels sailing north on Lake Michigan are considered "upbound" even though they are sailing toward its effluent current. Lakes Huron and Michigan are sometimes considered a single lake, called Lake Michigan–Huron, because they are one hydrological body of water connected by

15225-494: The launch of the bi-national Great Lakes Fishery Commission . Several species of exotic water fleas have accidentally been introduced into the Great Lakes, such as the spiny waterflea, Bythotrephes longimanus , and the fishhook waterflea, Cercopagis pengoi , potentially having an effect on the zooplankton population. Several species of crayfish have also been introduced that may contend with native crayfish populations. More recently an electric fence has been set up across

15370-417: The length of Woodward Avenue, was removed and replaced with gas-powered buses. It was the last line of what had once been a 534-mile network of electric streetcars. In 1941, at peak times, a streetcar ran on Woodward Avenue every 60 seconds. All of these changes in the area's transportation system favored low-density, auto-oriented development rather than high-density urban development. Industry also moved to

15515-491: The majority of the black community: with overall lower incomes and facing the backlash of discriminatory housing policies, the black community was limited to lower cost, lower quality housing in the city. The surge in the black population augmented the strain on housing scarcity. The livable areas available to the black community were limited, and as a result, families often crowded together in unsanitary, unsafe, and illegal quarters. Such discrimination became increasingly evident in

15660-476: The natural migrations of Atlantic salmon from Lake Erie into their spawning channels. In the early 19th century, the government of Upper Canada found it necessary to introduce similar legislation prohibiting the use of weirs and nets at the mouths of Lake Ontario's tributaries. Other protective legislation was passed, but enforcement remained difficult. On both sides of the Canada–United States border,

15805-454: The next hundred years, virtually no British or French action was contemplated without consultation with the Iroquois or consideration of their likely response. On July 24, 1701, the French explorer Antoine de la Mothe Cadillac , with his lieutenant  Alphonse de Tonty and more than a hundred other settlers, began constructing a small fort on the north bank of the Detroit River. Cadillac named

15950-463: The order amphipoda ), two types of copepods , and the deepwater sculpin (a spiny, large-headed fish). The Great Lakes are an important source of fishing . Early European settlers were astounded by both the variety and quantity of fish; there were 150 different species in the Great Lakes. Throughout history, fish populations were the early indicator of the condition of the Lakes and have remained one of

16095-411: The other way, it would have opened the door to fixing nearly all of Detroit's current problems." John Mogk, a professor of law and an expert in urban planning at Wayne State University Law School in Detroit, says, Everybody thinks that it was the riots [in 1967] that caused the white families to leave. Some people were leaving at that time but, really, it was after Milliken that you saw mass flight to

16240-506: The outflows of Michigan-Huron and Erie are not regulated at all. Ontario is the most tightly regulated, with its outflow controlled by the Moses-Saunders Power Dam , which explains its consistent historical levels. The Great Lakes contain 21% of the world's surface fresh water: 5,472 cubic miles (22,810 km ), or 6.0×10 U.S. gallons, that is 6 quadrillion U.S. gallons, (2.3×10 liters). The lakes contain about 84% of

16385-484: The policies of redlining implemented by banks and federal housing groups, which almost completely restricted the ability of blacks to improve their housing and encouraged white people to guard the racial divide that defined their neighborhoods. As a result, black people were often denied bank loans to obtain better housing, and interest rates and rents were unfairly inflated to prevent their moving into white neighborhoods. White residents and political leaders largely opposed

16530-507: The proliferation of dams and impoundments have multiplied, necessitating more regulatory efforts. Concerns by the mid-19th century included obstructions in the rivers which prevented salmon and lake sturgeon from reaching their spawning grounds. The Wisconsin Fisheries Commission noted a reduction of roughly 25% in general fish harvests by 1875. The states have removed dams from rivers where necessary. Overfishing has been cited as

16675-586: The rapid growth of industrial workers in the auto factories, labor unions such as the American Federation of Labor and the United Auto Workers (UAW) fought to organize workers to gain them better working conditions and wages. They initiated strikes and other tactics in support of improvements such as the 8-hour day/40-hour work week , increased wages, greater benefits, and improved working conditions . The labor activism during those years increased

16820-485: The region losing the majority of funding for rapid transit. The city then moved forward with construction of the elevated downtown circulator portion of the system, which became known as the Detroit People Mover . The gasoline crises of 1973 and 1979 affected auto industry. Buyers chose smaller, more fuel-efficient cars made by foreign makers as the price of gas rose. Efforts to revive the city were stymied by

16965-550: The remaining brothers started looking for a replacement. They recorded several albums with Joseph Smith, who was later replaced by Jim Brady (b. May 19, 1970). Brady remained with them until 2014, at which point he was replaced by Paul Lancaster (b. February 23, 1968). (as the Booth Brothers) (as the Booth Brothers) (as the Booth Brothers Quartet) The Booth Brothers were nominated for

17110-428: The routine discharge of untreated sewage during the 1970s and 1980s. The International Joint Commission in 2009 summarized the change: "Since the early 1970s, the level of treatment to reduce pollution from waste water discharges to the Great Lakes has improved considerably. This is a result of significant expenditures to date on both infrastructure and technology, and robust regulatory systems that have proven to be, on

17255-466: The settlement Fort Pontchartrain du Détroit , after Louis Phélypeaux, comte de Pontchartrain , Secretary of State of the Navy under Louis XIV . Sainte-Anne-de-Détroit was founded on July 26 and is the second-oldest continuously operating Roman Catholic parish in the United States. France offered free land to colonists to attract families to Detroit; when it reached a population of 800 in 1765, it became

17400-436: The shoreline of all the lakes would cover a distance roughly equivalent to travelling half-way around the world at the equator. A notable modern phenomenon is the formation of ice volcanoes over the lakes during wintertime. Storm-generated waves carve the lakes' ice sheet and create conical mounds through the eruption of water and slush. The process is only well-documented in the Great Lakes, and has been credited with sparing

17545-583: The southern shorelines from worse rocky erosion. It has been estimated that the foundational geology that created the conditions shaping the present day upper Great Lakes was laid from 1.1 to 1.2 billion years ago, when two previously fused tectonic plates split apart and created the Midcontinent Rift , which crossed the Great Lakes Tectonic Zone . A valley was formed providing a basin that eventually became modern day Lake Superior. When

17690-498: The strict Jim Crow laws and racial discrimination policies of the South. Postwar Detroit was a prosperous industrial center of mass production. The auto industry comprised about 60% of all industry in the city, allowing space for a plethora of separate booming businesses including stove making, brewing, furniture building, oil refineries, pharmaceutical manufacturing, and more. The expansion of jobs created unique opportunities for black Americans, who saw novel high employment rates: there

17835-418: The struggles of the auto industry, as their sales and market share declined. Automakers laid off thousands of employees and closed plants in the city, further eroding the tax base. To counteract this, the city used eminent domain to build two large new auto assembly plants in the city. Young sought to revive the city by seeking to increase investment in the city's declining downtown. The Renaissance Center ,

17980-404: The suburbs, seeking large plots of land for single-story factories. By the 21st century, the metro Detroit area had developed as one of the most sprawling job markets in the United States; combined with poor public transport, this resulted in many new jobs being beyond the reach of urban low-income workers. In 1950, the city held about one-third of the state's population. Over the next 60 years,

18125-434: The suburbs. If the case had gone the other way, it is likely that Detroit would not have experienced the steep decline in its tax base that has occurred since then. In November 1973, the city elected Coleman Young as its first black mayor. After taking office, Young emphasized increasing racial diversity in the police department, which was predominantly white. Young also worked to improve Detroit's transportation system, but

18270-414: The surface freshwater of North America; if the water were evenly distributed over the entire continent's land area, it would reach a depth of 5 feet (1.5 meters). This is enough water to cover the 48 contiguous U.S. states to a uniform depth of 9.5 feet (2.9 m). Although the lakes contain a large percentage of the world's fresh water, the Great Lakes supply only a small portion of U.S. drinking water on

18415-404: The tension between Young and his suburban counterparts over regional matters was problematic throughout his mayoral term. In 1976, the federal government offered $ 600 million (~$ 2.5 billion in 2023) for building a regional rapid transit system, under a single regional authority. But the inability of Detroit and its suburban neighbors to solve conflicts over transit planning resulted in

18560-551: The treatment plant, are temporarily overwhelmed by heavy rainstorms. Local sewage treatment authorities then must release untreated effluent, a mix of rainwater and sewage, into local water bodies. While enormous public investments such as the Deep Tunnel projects in Chicago and Milwaukee have greatly reduced the frequency and volume of these events, they have not been eliminated. The number of such overflow events in Ontario, for example,

18705-522: The tributary rivers into the Great Lakes also dislocated sediments. In 1884, the New York Fish Commission determined that the dumping of sawmill waste (chips and sawdust) had impacted fish populations. The first U.S. Clean Water Act , passed by a Congressional override after being vetoed by U.S. President Richard Nixon in 1972, was a key piece of legislation, along with the bi-national Great Lakes Water Quality Agreement signed by Canada and

18850-403: The turn of the 19th century, white American settlers began pouring westwards. The region's then colonial economy was based on the lucrative fur trade , in which numerous Native American people had important roles as trappers and traders. Today the flag of Detroit reflects its both its French and English colonial heritage. Descendants of the earliest French and French-Canadian settlers formed

18995-416: The warmer and shallower portions of the system such as Lake Erie, Saginaw Bay , Green Bay , and the southernmost portion of Lake Michigan. By the mid-1980s, most jurisdictions bordering the Great Lakes had controlled phosphate detergents . Blue-green algae, or cyanobacteria blooms, have been problematic on Lake Erie since 2011. "Not enough is being done to stop fertilizer and phosphorus from getting into

19140-430: The west pick up the air and moisture from the lake surface, which is slightly warmer in relation to the cold surface winds above. As the slightly warmer, moist air passes over the colder land surface, the moisture often produces concentrated, heavy snowfall that sets up in bands or "streamers". This is similar to the effect of warmer air dropping snow as it passes over mountain ranges. During freezing weather with high winds,

19285-427: The west, and warm, wet tropical systems from the south and the Gulf of Mexico. The lakes have a moderating effect on the climate; they can also increase precipitation totals and produce lake effect snowfall . The Great Lakes can have an effect on regional weather called lake-effect snow , which is sometimes very localized. Even late in winter, the lakes often have no icepack in the middle. The prevailing winds from

19430-480: The whole, quite effective." The commission reported that all urban sewage treatment systems on the U.S. side of the lakes had implemented secondary treatment, as had all on the Canadian side except for five small systems. Though contrary to federal laws in both countries, those treatment system upgrades have not yet eliminated combined sewer overflow events. This describes when older sewerage systems, which combine storm water with sewage into single sewers heading to

19575-472: The world's surface fresh water by volume. The total surface is 94,250 square miles (244,106 km ), and the total volume (measured at the low water datum) is 5,439 cubic miles (22,671 km ), slightly less than the volume of Lake Baikal (5,666 cu mi or 23,615 km , 22–23% of the world's surface fresh water). Because of their sea-like characteristics, such as rolling waves, sustained winds, strong currents, great depths, and distant horizons,

19720-601: The world. The second-largest island is Isle Royale in Lake Superior. Both of these islands are large enough to contain multiple lakes themselves—for instance, Manitoulin Island's Lake Manitou is the world's largest lake on a freshwater island. Some of these lakes even have their own islands, like Treasure Island in Lake Mindemoya in Manitoulin Island. The Great Lakes also have several peninsulas between them, including

19865-523: The zooplankton community of the lake. Scientists understand that the micro-aquatic life of the lakes is abundant but know very little about some of the most plentiful microbes and their environmental effects in the Great Lakes. Although a drop of lake water may contain 1 million bacteria cells and 10 million viruses , only since 2012 has there been a long-term study of the lakes' micro-organisms. Between 2012 and 2019 more than 160 new species have been discovered. Native habitats and ecoregions in

20010-546: Was Ontario's Collingwood Harbour in 1994; Ontario's Severn Sound followed in 2003. Presque Isle Bay in Pennsylvania is formally listed as in recovery, as is Ontario's Spanish Harbour. Dozens of other Areas of Concern have received partial cleanups such as the Rouge River (Michigan) and Waukegan Harbor (Illinois). Phosphate detergents were historically a major source of nutrient to the Great Lakes algae blooms in particular in

20155-677: Was a 103% increase in the number of blacks employed in postwar Detroit. Black Americans who immigrated to northern industrial cities from the south still faced intense racial discrimination in the employment sector. Racial discrimination kept the workforce and better jobs predominantly white, while many black Detroiters held lower-paying factory jobs. Despite changes in demographics as the city's black population expanded, Detroit's police force, fire department, and other city jobs continued to be held by predominantly white residents. This created an unbalanced racial power dynamic. Unequal opportunities in employment resulted in unequal housing opportunities for

20300-492: Was coined by Father Gabriel Richard as he looked out at the ruins of the city in the fire's aftermath. The city seal, designed by J.O. Lewis in 1827, directly depicts the Great Fire of 1805. Two women stand in the foreground while on the left, the city burns in the background and a woman weeps over the destruction. The woman on the right consoles her by gesturing to a new city that will rise in its place. The city seal also forms

20445-446: Was convicted on 24 federal felony counts, including mail fraud , wire fraud , and racketeering , and was sentenced to 28 years in federal prison. The former mayor's activities cost the city an estimated $ 20 million. Roughly half of the owners of Detroit's 305,000 properties failed to pay their 2011 tax bills, resulting in about $ 246 million (~$ 329 million in 2023) in taxes and fees going uncollected, nearly half of which

20590-587: Was criticized for being too focused on downtown development and not doing enough to lower the city's high crime rate and improve city services to residents. High unemployment was compounded by middle-class flight to the suburbs, and some residents leaving the state to find work. The result for the city was a higher proportion of poor in its population, reduced tax base, depressed property values, abandoned buildings, abandoned neighborhoods, and high crime rates. On August 16, 1987, Northwest Airlines Flight 255 crashed near Detroit Metro airport, killing all but one of

20735-507: Was due to Detroit. The rest of the money would have been earmarked for Wayne County, Detroit Public Schools, and the library system. Great Lakes The Great Lakes also called the Great Lakes of North America , are a series of large interconnected freshwater lakes spanning the Canada–United States border . The five lakes are Superior , Michigan , Huron , Erie , and Ontario . (Hydrologically, Michigan and Huron are

20880-517: Was eliminated as the mussels were harvested for use as buttons by early Great Lakes entrepreneurs. The Great Lakes: An Environmental Atlas and Resource Book (1972) notes: "Only pockets remain of the once large commercial fishery." Water quality improvements realized during the 1970s and 1980s, combined with successful salmonid stocking programs, have enabled the growth of a large recreational fishery. The last commercial fisherman left Milwaukee in 2011 because of overfishing and anthropogenic changes to

21025-685: Was followed, featuring grand boulevards as in Paris . In 1817, Woodward went on to establish the Catholepistemiad , or University of Michigania in the city. Intended to be a centralized system of schools, libraries, and other cultural and scientific institutions for the Michigan Territory, the Catholepistemiad evolved into the modern University of Michigan. Prior to the American Civil War ,

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