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27-467: The Wayan occurs in the Caribou Mountains of eastern Idaho. Sediments are dominantly floodplain mudstones (many having undergone extensive pedogenic processes) with some fluvial sandstones and minor conglomerates , limestones , and tuffs . Carbonate nodules in pedogenic mudstones suggest a semi-arid, seasonal climate during deposition. Radiometric U-Pb dates from detrital zircons indicate

54-488: A household in the county was $ 41,805, and the median income for a family was $ 48,216. Males had a median income of $ 38,745 versus $ 22,514 for females. The per capita income for the county was $ 18,326. About 7.40% of families and 10.10% of the population were below the poverty line , including 12.20% of those under age 18 and 5.90% of those age 65 or over. Like most of Idaho, Bonneville County has been powerfully Republican for many decades. The last Democratic nominee to win it

81-697: A latest Albian to early to middle Cenomanian age. Detrital zircon U-Pb dating within one stratigraphic meter of an Oryctodromeus locality yielded an age of 99.1 +1.5/-1.3 Ma showing proximity to the Albian / Cenomanian stage boundary. The Wayan is equivalent to the upper Cedar Mountain Formation of Utah, the Aspen Shale of Wyoming, and the Vaughn member of the Blackleaf Formation of Montana. The vertebrate fauna

108-412: A new industry was created. During the early 20th century, more experiments had shown that sugar beets could be grown successfully. In 1902, Mark Austin surveyed the possibilities and recommended that a sugar factory be built east of Idaho Falls . In 1903 the cornerstone for the building was laid. That fall the factory was in production and the small town of Lincoln built up around it. From the building of

135-462: A population. There was a time during this growth and settlement period when it appeared Caribou City would outgrow Eagle Rock. The gold rush into the Caribou region was not considered a small one despite the brevity of the settlements. An estimated $ 50 million was taken out of the region in gold dust and nuggets. Aside from the gold on Caribou Mountain, cattle raising was the first major industry. Before

162-856: A variety of small mammals, and semionotid fish are known from very fragmentary remains. Fossil plants are rare, but petrified conifer wood, and foliage from angiosperms, conifers and ferns has been reported. Taphonomic modes of the Wayan are distinct. Fossiliferous 'pods' of Oryctodromeus skeletons and skeletal elements, sometimes with more than one individual represented, are the most common occurrence of vertebrate skeletal remains. Degrees of association and articulation range from fully articulated individuals to articulated strings of vertebrae and articulate limbs associated with other elements. These Oryctodromeus remains exhibit no appreciable pre-burial taphonomic modifications such as weathering, abrasion, breakage, or tooth marks. This combination of observations suggests

189-595: Is Idaho Falls . Bonneville County was established in 1911 and named after Benjamin Bonneville (1796–1878), a French -born officer in the U.S. Army , fur trapper , and explorer in the American West . Benjamin was the son of Nicholas Bonneville of France, an Illuminati member who had written the "Illuminati Manifesto for World Revolution" in 1792, which played a significant role in the French revolution . Bonneville County

216-508: Is a stub . You can help Misplaced Pages by expanding it . This Caribou County , Idaho state location article is a stub . You can help Misplaced Pages by expanding it . Bonneville County, Idaho Bonneville County is a county located in the U.S. state of Idaho . As of the 2020 census , the population was 123,964, making it the fourth-most populous county in Idaho and the most populous in eastern Idaho . Its county seat and largest city

243-501: Is dominated by the small basal ornithopod Oryctodromeus , which dominates the vertebrate assemblage and is known from several partial skeletons. An ankylosaur , a Tenontosaurus -like iguanodontid , a hadrosaurid , dromaeosaurs , a tyrannosauroid , a possible neovenatorid allosauroid, a giant oviraptorosaur (represented by eggshell of the oogenus Macroelongatoolithus carleylei ), indeterminate small theropods , possible neoceratopsians , large and small crocodilians, turtles,

270-673: Is part of the Idaho Falls Metropolitan Statistical Area . Bonneville County was established February 7, 1911, by the state legislature from the north and east parts of Bingham County, Idaho . It was named for Capt. B.L.E. Bonneville, of the U.S. Army, who explored throughout the Snake River area in the 1830s. A settlement developed at the site of the Idaho Falls, Idaho ferry on the Snake River in 1864. This settlement

297-590: Is water. The Snake River flows northwest through the Bonneville County, beginning at the Wyoming border as the Palisades Reservoir . The river exits the county about midway on its northern border, turns and re-enters approximately 20 miles (32 km) west to flow southwest through Idaho Falls. As of the 2010 United States Census , there were 104,234 people, 36,629 households, and 26,787 families living in

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324-484: The 2000 census , there were 82,522 people, 28,753 households, and 21,449 families living in the county. The population density was 44 inhabitants per square mile (17/km ). There were 30,484 housing units at an average density of 16 per square mile (6.2/km ). The racial makeup of the county was 92.79% White , 0.49% Black or African American , 0.65% Native American , 0.82% Asian , 0.07% Pacific Islander , 3.72% from other races , and 1.46% from two or more races. 6.91% of

351-531: The Wyoming border. Named for Cariboo Fairchild, a prospector who had taken part in the gold rush in the Cariboo region of British Columbia in 1860. Fairchild discovered gold in this area of present-day eastern Idaho two years later. The highest point of the range is 9,803-foot Caribou Mountain . 43°20′N 111°30′W  /  43.333°N 111.500°W  / 43.333; -111.500 This Bonneville County , Idaho state location article

378-658: The Wayan and patterns of preservation suggest that surface processes on the Wayan floodplains were less conducive to preservation, with preservation typically occurring subsurface and in fluvial channels. Caribou Mountains (Idaho) Caribou Mountains are a mountain range in the Rocky Mountains in Idaho , United States . The mountains are in the Caribou National Forest in Bonneville and Caribou counties, near

405-429: The coming of the railroad, Matt Taylor bought and trailed a herd of cattle into the valley. As more settlers came, they too started herds and stock raising became a profitable, growing industry. Experiments proved that many farm products could be raised in the area and farms spread over the valley. In 1888, a group of farmers planted small acreages of potatoes. That fall they sold them for 90 cents per hundred weights, and

432-420: The county. The population density was 55.9 inhabitants per square mile (21.6/km ). There were 39,731 housing units at an average density of 21.3 per square mile (8.2/km ). The racial makeup of the county was 90.6% white, 0.8% Asian, 0.8% American Indian, 0.6% black or African American, 0.1% Pacific islander, 5.1% from other races, and 2.1% from two or more races. Those of Hispanic or Latino origin made up 11.4% of

459-409: The ferry in 1863 to 1900 the face of Bonneville County changed considerably. The Utah and Northern Railroad Company made Eagle Rock a division point, built maintenance shops and the town grew. In 1885, Eagle Rock had a population of 1,500. In 1887 the railroad shops moved to Pocatello , leaving Eagle Rock almost a ghost town. With the development of irrigation, the town took on a new life and it became

486-404: The institution of the county, Captain B.L.E. Bonneville, visited the area. The first bona fide town in the county, Keenan, was in the extreme eastern portion of Bonneville County near Caribou Mountain . Keenan boasted a population of nearly 1,000 people. It was about this same time, 1870, that Caribou City also sprang up and Eagle Rock, the forerunner of present-day Idaho Falls, began to acquire

513-431: The most important shipping point between Ogden, Utah and Butte, Montana . On August 26, 1891, the name of Eagle Rock was changed to Idaho Falls due to the cataract in the river on the west edge of the city. The town became a city on April 6, 1900, with Joseph A. Clark as its first Mayor. Idaho Falls was on its way and headed for a future that would one day see it as headquarters for an atomic energy installation; but in

540-455: The population were Hispanic or Latino of any race. 25.3% were of English , 14.3% German and 12.2% American ancestry. There were 28,753 households, out of which 40.60% had children under the age of 18 living with them, 62.00% were married couples living together, 9.30% had a female householder with no husband present, and 25.40% were non-families. 21.40% of all households were made up of individuals, and 7.80% had someone living alone who

567-421: The population. In terms of ancestry, 23.4% were English , 17.4% were German , 9.9% were American , and 7.8% were Irish . Of the 36,629 households, 40.4% had children under the age of 18 living with them, 58.7% were married couples living together, 10.1% had a female householder with no husband present, 26.9% were non-families, and 22.4% of all households were made up of individuals. The average household size

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594-486: The possibility of burial of these animals within unrecognized burrows. Excluding eggshell, almost all other vertebrate remains known from the Wayan occur as isolated teeth and partial to complete bones found in high energy fluvial lag and possible debris flow deposits. These remains exhibit a more typical range of taphonomic modification with varying degrees of abrasion and breakage typical of skeletal remains preserved in fluvial deposits. The overall fossil assemblage of

621-502: The year of 1900, it was still a city under the control of Blackfoot . Blackfoot was the county seat of Bingham County which still harbored Idaho Falls and it was to be 11 years before Idaho Falls became the county seat. According to the United States Census Bureau , the county has a total area of 1,901 square miles (4,920 km ), of which 1,866 square miles (4,830 km ) is land and 35 square miles (91 km ) (1.8%)

648-466: Was 2.81 and the average family size was 3.32. The median age was 31.7 years. The median income for a household in the county was $ 50,445 and the median income for a family was $ 58,346. Males had a median income of $ 46,498 versus $ 29,008 for females. The per capita income for the county was $ 23,218. About 8.1% of families and 11.0% of the population were below the poverty line , including 13.9% of those under age 18 and 6.6% of those age 65 or over. As of

675-457: Was 65 years of age or older. The average household size was 2.83 and the average family size was 3.33. In the county, the population was spread out, with 32.10% under the age of 18, 9.50% from 18 to 24, 27.20% from 25 to 44, 21.00% from 45 to 64, and 10.20% who were 65 years of age or older. The median age was 32 years. For every 100 females there were 99.40 males. For every 100 females age 18 and over, there were 96.20 males. The median income for

702-478: Was formed, and Idaho Falls became the County seat. During all of this time, and even before people started making boundaries and setting up towns, villages and governments, there was a rich part to the region. Indians roamed much of the county in travels to Camas Harvest, and in 1808 John Corter came through the area. In 1810, Major Andrew Henry saw the country, and in 1832, the man whose name was later to be immortalized by

729-446: Was to be known as Idaho Falls after 1891. Today, Bonneville County stretches up from two desert floors through a fertile valley of plush crops and into heavily forested peaks. The area that became Bonneville County was first associated with Oneida County which stretched through most of southern and southeastern Idaho . It was later reapportioned and formed the northern end of Bingham County. It wasn't until 1911 that Bonneville County

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