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Cosna River (Alaska) facts for kids

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Cosna River
Cosna River (Alaska) is located in Alaska
Cosna River (Alaska)
Location of the mouth of the Cosna River in Alaska
Native name K'osno'
Country United States
State Alaska
District Yukon–Koyukuk Census Area
Physical characteristics
Main source Bitzshtini Mountains
1,985 ft (605 m)
64°24′34″N 152°00′31″W / 64.40944°N 152.00861°W / 64.40944; -152.00861
River mouth Tanana River
32 miles (51 km) northeast of Bitzshtini Mountains
249 ft (76 m)
64°51′16″N 151°21′55″W / 64.85444°N 151.36528°W / 64.85444; -151.36528
Length 44 mi (71 km)

The Cosna River (Lower Tanana: K'osno) is a 44-mile (71 km) tributary of the Tanana River in the central part of the U.S. state of Alaska. It flows northward from the Bitzshtini Mountains into the Tanana west (downstream) of Manley Hot Springs.

In 1899, Lieutenant J. S. Herron attributed the name to the Tanana peoples living in the area. However, a century later linguist William Bright, citing the Koyukon Athabascan Dictionary, attributed the name to the Koyukon words kk' os, schist rock, combined with no', river.

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