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Anaktuvuk River
The Anaktuvuk River is a river in Alaska's North Slope.〔USGS Geographic Names Information System (GNIS). (Anaktuvuk River. ) Accessed Dec 31, 2012.〕 One hundred and thirty-five miles (217 km) long, it flows west from glaciers in the Endicott Mountains changing direction just north of Anaktuvuk Pass〔Porter, Stephen C. (1966) ''Pleistocene geology of Anaktuvuk Pass, Central Brooks Range, Alaska'' (Arctic Institute of North America Technical Paper #18) Arctic Institute of North America, Washington D.C., page 12, 〕 to flow north to the Arctic Coastal Plain where it joins the Colville River. Its headwaters are formed by runoff from various glaciers in the Gates of the Arctic Wilderness on the slopes of Fan Mountain, Alapah Mountain and Limestack Mountain, the last of which lies on the watershed divide between the Arctic Coastal Plain and the Koyukuk River, and feeds the Anaktuvuk River via Graylime Creek. Its first major tributary is the John River which joins it at . The Nanushuk River joins it at .
"The first geologic transect of the Arctic Slope was conducted during the summer of 1901 by USGS geologist F.C. Schrader and topographer W.J. Peters, who descended the Anaktuvuk River in canoes to its junction with the Colville River."〔Mull, Charles G. ''et al.'' (2004) ("Geologic Map of the Umiat Quadrangle, Alaska" ) Scientific Investigations U.S. Department of the Interior Map 2817–A, United States Geological Survey〕
==Human use==
Though the vast majority of the river is often inaccessible to motorized boats due to very low water levels, portions of the river provide excellent fishing ground for Arctic char and "monster grayling".〔Haugen, Scott. "Flyfisher's Guide to Alaska", pg. 436〕 Hunters may fly into the Anaktuvuk River drainage in summer to hunt moose, bears, caribou, and other animals.〔Alaska Department of Fish and Game, DM 981 Moose Drawing Permit Hunt, http://www.adfg.alaska.gov/static/hunting/maps/huntmaps/pdf/dm981.pdf〕 In August 2013, a hunter was severely mauled by a grizzly bear while hunting in the Anaktuvuk River drainage.〔Stapleton, AnneClaire. CNN.com, "Alaska hunter mauled by bear survives 36 hours in wilderness." http://www.cnn.com/2013/08/18/us/alaska-bear-mauling/index.html〕 Because of its low and fluctuating water levels, extreme remoteness, lack of airports, and challenging weather conditions, the Anaktuvuk River is only very rarely run by recreational boaters.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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