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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, ...

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...

Fox, river, United States

(Encyclopedia)Fox, river, 176 mi (283 km) long, rising in S central Wis. and flowing SW to within 1.5 mi (2.4 km) of Portage, Wis., on the Wisconsin River, then NE through Lake Winnebago into Green Bay, an arm of L...

Heart, river, United States

(Encyclopedia)Heart, river, 180 mi (290 km) long, rising in the low prairie country near the Little Missouri River, SW N.Dak., and flowing E to the Missouri at Mandan, N.Dak. The Heart Butte and Dickinson dams, irr...

Boise, river, United States

(Encyclopedia)Boise, river, c.160 mi (260 km) long, rising in SW Idaho and flowing west to join the Snake River at the Oregon line. In 1811 the Boise River, originally called Reed's River, was explored by an expedi...

Yakima, river, United States

(Encyclopedia)Yakima yăkˈəmô, –mə [key], river, 203 mi (327 km) long, rising in the Cascade Range, central Wash., and flowing SE past Yakima to the Columbia River near Kennewick. The U.S. Bureau of Reclamati...

Bitterroot, river, United States

(Encyclopedia)Bitterroot, river, c.120 mi (190 km) long, rising in SW Mont. and flowing north to join the Clark Fork River near Missoula. A Roman Catholic mission was established on the river in 1841, and missionar...

Bighorn, river, United States

(Encyclopedia)Bighorn, river, 461 mi (741 km) long, formed in W central Wyo. by the confluence of the Wind and Pop Agie rivers and flowing north to join the Yellowstone River in S Mont. The Bighorn basin, part of t...
 

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