Yellowstone
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Yellowstone,
river, 671 mi (1,080 km) long, rising in NW Wyo., and flowing NE through Mont. to enter the Missouri River near the N.Dak. line; it drains c.70,400 sq mi (182,340 sq km). The Yellowstone receives the Bighorn, Powder, Tongue, and many smaller rivers. The most scenic aspects of the river are found in Yellowstone National ParkYellowstone National Park,2,219,791 acres (899,015 hectares), the world's first national park (est. 1872), NW Wyo., extending into Montana and Idaho. It lies mainly on a broad plateau in the Rocky Mts., on the Continental Divide, c.
..... Click the link for more information. in NW Wyoming. There, the river feeds and drains Yellowstone Lake, 139 sq mi (360 sq km), the largest high-altitude (alt. 7,331 ft/2,234 m) lake in North America. After leaving the lake, the river drops 109 ft (33 m) at Upper Falls, then 308 ft (94 m) at Lower Falls, before entering the deep and spectacular Grand Canyon of the Yellowstone (19 mi/31 km long); Tower Falls, 132 ft (40 m) high, is at the northern end of the canyon. The river's waters have been used for irrigation since the late 1860s. The U.S. Bureau of Reclamation operates several projects on the Yellowstone that are used for irrigation, flood control, power production, and recreation. These include the Huntley project near Billings, Mont., the Buffalo Rapids project near Glendive, Mont., and the Savage unit of the Missouri River basin project.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Yellowstone
a river in the northwestern USA; right tributary of the Missouri. Length, about 1,600 km; basin area, 182,300 sq km. It rises in the Rocky Mountains. In its upper reaches there are canyons up to 360 m deep, as well as waterfalls; in the middle and lower course it is a calm plains river. It is fed by snow and rain; there is spring and summer flooding. The average water discharge is 365 m3/sec. The upper course of the river passes through Yellowstone National Park. In the state of Montana it is widely used for irrigation.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
Yellowstone
a river rising in N Wyoming and flowing north through Yellowstone National Park, then east to the Missouri. Length: 1080 km (671 miles)
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005