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Gilbert, Grove Karl

(Encyclopedia)Gilbert, Grove Karl, 1843–1918, American geologist, b. Rochester, N.Y., grad. Univ. of Rochester, 1862. When the U.S. Geological Survey was created in the Dept. of the Interior in 1879 (to replace f...

Petrokrepost

(Encyclopedia)Petrokrepost shlüˈsəlbo͝orkh [key], town and fortress, NW European Russia, E of St. Petersburg. The town, the terminus of a railroad and of the lateral canals on Lake Ladoga, has shipbuilding and ...

New York State Canal System

(Encyclopedia)New York State Canal System, waterway system, 524 mi (843 km) long, traversing New York state and connecting the Great Lakes with the Finger Lakes, the Hudson River, and Lake Champlain. The waterway, ...

Volta

(Encyclopedia)Volta vólˈtə [key], river, c.290 mi (470 km) long, formed in central Ghana, W Africa, by the confluence of the Black Volta (or Mouhon, c.840 mi/1,350 km long) and the White Volta (or Nakambe, c.450...

Utah , state, United States

(Encyclopedia)CE5 Utah yo͞oˈtäˌ [key], Rocky Mt. state of the W United States. It is bordered by Idaho and Wyoming (N), Colorado (E), Arizona (S), and Nevada (W), and touches New Mexico in the SE, at the Fou...

Vérendrye, Pierre Gaultier de Varennes, sieur de la

(Encyclopedia)Vérendrye, Pierre Gaultier de Varennes, sieur de la pyĕr gōtyāˈ də värĕnˈ syör də lä vāräNdrēˈ [key], 1685–1749, explorer in W Canada and the United States, b. Trois Rivières (Three...

Manicouagan Reservoir

(Encyclopedia)Manicouagan Reservoir mănĭkwägˈən [key], annular artifical lake, 750 sq mi (1,942 sq km), SE Que., Canada, in a heavily forested area of the Canadian Shield. It has a maximum depth of 1,150 ft (3...

Helmand

(Encyclopedia)Helmand or Helmund both: hĕlˈmənd [key], river, c.700 mi (1,130 km) long, rising in the Hindu Kush Mts., NE Afghanistan and flowing generally SW to the Sistan basin, SW Afghanistan, where it helps ...

Grasmere

(Encyclopedia)Grasmere, village, Cumbria, NW England, in the Lake District, near Lake Grasmere. Dove Cottage was the home of William Wordsworth from 1799 to 1808; the Wordsworth museum is also there, and the Jerwoo...

Apostle Islands

(Encyclopedia)Apostle Islands, group of more than 20 wooded islands, in Lake Superior, off N Wis. Madeline, 13 mi (21 km) long, is the largest island and has the group's only settlement, La Pointe. Noted for their ...