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Great Basin

(Encyclopedia)Great Basin, semiarid, N section of the Basin and Range province, the intermontane plateau region of W United States and N Mexico. Lying mostly in Nevada and extending into California, Oregon, Idaho, ...

Marias

(Encyclopedia)Marias mərīˈəz [key], river, c.210 mi (340 km) long, rising in several branches in NW Montana near the Continental Divide and flowing SE to the Missouri River near Fort Benton. It receives the Tet...

Roanoke, river, United States

(Encyclopedia)Roanoke, river, c.410 mi (660 km) long, rising in SW Va. and flowing generally southeast across the Blue Ridge Mts. and into Albemarle Sound, NE N.C. The lower river is navigable for small craft. A co...

Sharon, city, United States

(Encyclopedia)Sharon shârˈən [key], city (1990 pop. 17,493), Mercer co., NW Pa., on the Shenango River, near the Ohio line; settled c.1800, inc. as a city 1920. An industrial city, its chief manufactures are tex...

Ogden, river, United States

(Encyclopedia)Ogden, river, 35 mi (56 km) long, rising in the Wasatch Range in N Utah, and flowing SW to join the Weber River at Ogden. The river has been used for irrigation for nearly a century. The Ogden–Brigh...

Osage, river, United States

(Encyclopedia)Osage, river, c.360 mi (580 km) long, formed by the confluence of the Marais des Cygnes and the Little Osage rivers, W Mo. It flows NE to join the Missouri River near Jefferson City. Bagnell Dam (comp...

Hetch Hetchy Valley

(Encyclopedia)Hetch Hetchy Valley, in Yosemite National Park, central Calif., on the Tuolumne River. It once rivaled Yosemite Valley in beauty and grandeur. O'Shaughnessy Dam (completed 1923; enl. 1938) turned the ...

Hongze

(Encyclopedia)Hongze or Hungtse both: ho͞ongˈdzŭ [key], lake, 65 mi (105 km) long, E China, on the border of Anhui and Jiangsu provs. It receives the Huai River and is connected with the Grand Canal. The Sanhe d...

New River

(Encyclopedia)New River, c.320 mi (510 km) long, rising in the Blue Ridge, NW N.C. It flows NE through SW Virginia, then NW into West Virginia where it joins with the Gauley River to form the Kanawha River. It is u...

Mahoning

(Encyclopedia)Mahoning məhōnˈĭng [key], river, c.90 mi (140 km) long, rising in NE Ohio, E of Canton. It flows northwest to Alliance, then northeast past Warren, where it turns southeast to flow past Youngstown...