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19-746: Saw Kill or Sawkill may refer to: Saw Kill (Esopus Creek tributary) , in New York Saw Kill (Hudson River tributary) , in New York Sawkill , in Manhattan, New York Saw-kill mill Dutch Colonial sawmill on the East River, NYC Sawkill Creek , in Pennsylvania [REDACTED] Topics referred to by the same term This disambiguation page lists articles about distinct geographical locations with

38-587: A clean-out of the creek in 1981. However, this didn’t solve the problem and flooding continues to happen during heavy rains. The Saw Kill provides an important habitat for various species. Opposite the place where the Saw Kill joins the Esopus are alluvial flats with flood-plain pools, which used to be sand or gravel pits. They now provide an important habitat for frogs, including the Northern Leopard Frog (which

57-462: A sawmill and a house. The contract also required him to pay half a bushel of wheat every year to the trustees who he bought the land from. The Legg family lived there for 88 years. It was reported that they ground wheat in the mill for the Continental Army. The next owner was James Gaddis. He continued the milling operations and denied requests of people to use the land for quarrying. However, in

76-416: A short, snore-like call from water during spring and summer. The northern leopard frog breeds in the spring (March–June). Up to 6500 eggs are laid in water, and tadpoles complete development within the breeding pond. Tadpoles are light brown with black spots, and development takes 70–110 days, depending on conditions. Metamorph frogs are 2–3 cm (0.79–1.18 in) long and resemble the adult. This species

95-523: A wide variety of animals, including crickets, flies, worms, and smaller frogs. Using their large mouths, they can even swallow birds and garter snakes. In one case, a bat was recorded as prey of this frog. This species is similar to the pickerel frog ( Lithobates palustris ) and the southern leopard frog ( Lithobates sphenocephalus ). The northern leopard frog produces specific ribonucleases to its oocytes . Those enzymes are potential drugs for cancer . One such molecule, called ranpirnase (onconase),

114-409: Is in clinical trials as a treatment for pleural mesothelioma and lung tumors. Another, amphinase , has been described as a potential treatment for brain tumors. The northern leopard frog has been a preferred species for making discoveries about basic properties of neurons since the 1950s. The neuromuscular junction of the sciatic nerve fibers of the sartorius muscle of this frog has been

133-576: Is located in Ulster County. 19.7 miles (31.7 km) long, it rises in Forest Preserve lands on the lower slopes of Indian Head Mountain and, after flowing through the town of Woodstock , empties into the Esopus just above Saugerties ; just north of Route 209 and just downstream of Ulster Town Hall. The Saw Kill is one of the major tributaries to the Esopus. There is a sedimentary delta halfway across

152-471: Is normally bordered by a lighter ring. A pair of dorsolateral folds starting from the back of the eye runs parallel to each other down the back. These dorsolateral folds are often lighter or occasionally pinkish in colour. Also, a pale stripe runs from the nostril, under the eye and tympanum , terminating at the shoulder. The ventral surface is white or pale green. The iris is golden and toes are webbed. Tadpoles are dark brown or grey, with light blotches on

171-583: Is rare in the region). Other organisms such as dragonflies and small fish provide the basis for a thriving ecosystem in the area. There have been some water quality issues in the Saw Kill (west). High bacteria counts have been found in tests taken near Lake Katrine . The bacteria levels are worse during times of heavy rainfall. The Saw Kill contains whitewater rapids for rafting and kayaking, in addition to swimming holes. The Saw Kill also attracts fishers. Northern leopard frog Lithobates pipiens formerly Rana pipiens , commonly known as

190-503: Is very rare. They can also be blue, and this is quite rare also. Northern leopard frogs have a wide range of habitats. They are found in permanent ponds, swamps, marshes, and slow-moving streams throughout forest, open, and urban areas. They normally inhabit water bodies with abundant aquatic vegetation. In the summer, they often abandon ponds and move to grassy areas and lawns. They are well adapted to cold and can be found above 3,000 m (9,800 ft) above mean sea level . Males make

209-509: The northern leopard frog , is a species of leopard frog from the true frog family , native to parts of Canada and the United States . It is the state amphibian of Minnesota and Vermont . The northern leopard frog is a fairly large species of frog, reaching about 11 cm (4.3 in) in snout-to-vent length. It varies from green to brown in dorsal color, with large, dark, circular spots on its back, sides, and legs. Each spot

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228-466: The 1860s when it was hit by lightning. Bluestone quarrying in the area increased in 1828 when the Delaware and Hudson Canals were being built. Quarry owners hired unskilled immigrant laborers and built houses for them in the area. This led to the creation of small, distinct, immigrant communities. Many of the houses built during this time are still standing. In the 1900s railroads helped spur tourism in

247-531: The 1880s a fire destroyed both the house and the mill. Gaddis, needing money to rebuild, gave permission for quarrying bluestone on the Saw Mill creek ledge. The extensive quarrying moved the falls that were located by the mill back 300 feet. Howe’s Mill was another mill located on the Saw Kill. It powered by a dam at Little Falls. The mill was used to make gunpowder and there were frequently explosions. The mill stayed mostly intact, however, and continued operating until

266-468: The Esopus Creek channel in this area, which indicates high sediment loads in the Saw Kill. Saw Kill drains are mostly forested watershed. The watershed also contains some wetland areas. On January 1, 1765, William Legg bought around 100 acres of land lying on both sides of the Saw Kill for 50 schipples of wheat. This was one of the first purchases to be made in the present town of Kingston . Legg built

285-524: The region. During the summers, many farmers would take in boarders from the city. The scenic beauty and good trout fishing in the Saw Kill and other similar creeks is part of what attracted people to the area. With the growth of suburban life in America, suburban communities developed in Sweat Meadows along the Saw Kill creek. Flooding in the creek then became an issue for these communities. Residents organized

304-491: The same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Saw_Kill&oldid=1206335883 " Category : Place name disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Saw Kill (Esopus Creek tributary) Saw Kill tributary

323-673: The source of initial data about the nervous system . The northern leopard frog is a popular species for in vitro experiments in muscle physiology and biomechanics due to the ease of accessibility for investigators in its native range and the ability of the sartorius muscle to stay alive in vitro for several hours. Furthermore, the reliance of the frog on two major modes of locomotion ( jumping and swimming ) allows for understanding how muscle properties contribute to organismal performance in each of these modes. Northern leopard frogs occur from Great Slave Lake and Hudson Bay , Canada, south to Kentucky and New Mexico , USA. It

342-439: The underside. The tail is pale tan. The northern leopard frog has several different color variations, with the most common two being the green and the brown morphs, with another morph known as the burnsi morph. Individuals with the burnsi morph coloration lack spots on their backs, but may or may not retain them on their legs. They can be bright green or brown and have yellow dorsal folds. Albinism also appears in this species, but

361-758: Was once quite common through parts of western Canada and the United States until declines started occurring during the 1970s. Although the definitive cause of this decline is unknown, habitat loss and fragmentation, environmental contaminants, introduced fish, drought, and disease have been proposed as mechanisms of decline and are likely preventing species' recovery in many areas. Many populations of northern leopard frogs have not yet recovered from these declines. Northern leopard frogs are preyed upon by many different animals, such as snakes , raccoons , other frogs , and even humans . They do not produce distasteful skin secretions and rely on speed to evade predation. They eat

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