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Gallatin, river, United States

(Encyclopedia)Gallatin, river, c.120 mi (190 km) long, rising in the Gallatin Range in the northwest corner of Yellowstone National Park, NW Wyo., and flowing generally northwest to join the Madison and Jefferson r...

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...

Deerfield, river, United States

(Encyclopedia)Deerfield, river, 70 mi (113 km) long, rising in S Vt. and flowing S into NW Mass., then SE to the Connecticut River at Greenfield, Mass. The river has extensive hydroelectric facilities but is also a...

Delaware, river, United States

(Encyclopedia)Delaware dĕlˈəwâr, –wər [key], river, c.280 mi (450 km) long, rising in the Catskill Mts., SE N.Y., in east and west branches, which meet at Hancock. It flows SE along the New York–Pennsylvan...

Connecticut, river, United States

(Encyclopedia)Connecticut, longest river in New England, 407 mi (655 km) long, rising in the Connecticut Lakes, N N.H., near the Quebec border, and flowing S along the Vt.-N.H. line, then across Mass. and Conn. to ...

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 ...

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...

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, ...

Penobscot, river, United States

(Encyclopedia)Penobscot pənŏbˈskŏt [key], river, 350 mi (563 km) long, rising in numerous lakes in central Maine and flowing generally east in four branches, uniting, then flowing S into Penobscot Bay; longest ...