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Copper, river, United States

(Encyclopedia)Copper, river, c.300 mi (480 km) long, rising in the Wrangell Mts., SE Alaska, and flowing S through the Chugach Mts. to the Gulf of Alaska. Copper deposits near the upper river, long mined by natives...

Colorado River storage project

(Encyclopedia)Colorado River storage project, a multipurpose plan, undertaken by the U.S. Bureau of Reclamation in 1956, to control the flow of the upper Colorado and its tributaries and to aid in the development o...

Colville, river, United States

(Encyclopedia)Colville, river, c.375 mi (600 km) long, rising in the De Long Mts. of the Brooks Range, NW Alaska, and flowing across the tundra, east then north, to the Arctic Ocean. All of its major tributaries ri...

Chippewa, river, United States

(Encyclopedia)Chippewa chĭpˈəwôˌ, –wäˌ [key], river, c.200 mi (320 km) long, rising in several forks in the lake region of N Wis. and flowing SW to the Mississippi, which it enters at the foot of Lake Pepi...

Alabama, river, United States

(Encyclopedia)Alabama, river, 315 mi (507 km) long, formed in central Ala. by the confluence of the Coosa and Tallapoosa rivers N of Montgomery, Ala., and flowing SW to Mobile, Ala., where it joins the Tombigbee to...

Charles, river, United States

(Encyclopedia)Charles, river, c.60 mi (97 km) long, rising in E Mass. and flowing generally NE to Boston Bay; it separates Boston from Cambridge. Extensive development to the riverfront includes the Esplanade, a se...

Charles River Bridge Case

(Encyclopedia)Charles River Bridge Case, decided in 1837 by the U.S. Supreme Court. The Charles River Bridge Company had been granted (1785) a charter by the state of Massachusetts to operate a toll bridge. The sta...

Cheyenne, river, United States

(Encyclopedia)Cheyenne, river, 527 mi (848 km) long, rising in E Wyo. and flowing NE to the Missouri River near Pierre, S.Dak. The Cheyenne basin is part of the Missouri River basin project. The U.S. Bureau of Recl...

Chicago, river, United States

(Encyclopedia)Chicago, river, formed in Chicago by the junction of its North Branch (24 mi/39 km long) and South Branch (10 mi/16 km long), and flowing southeast via a canal into the Des Plaines River at Lockport, ...

Clearwater, river, United States

(Encyclopedia)Clearwater, river, c.190 mi (305 km) long, rising in several branches in the Bitterroot Range, N Idaho, and flowing west to join the Snake River at Lewiston, Idaho. The gold-mining era in Idaho began ...