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Pasco

(Encyclopedia)Pasco păsˈkō [key], city (1990 pop. 20,337), seat of Franklin co., SE Wash., on the Columbia River near its confluence with the Snake and Yakima rivers. It is a trade and shipping center for the Co...

Marañón

(Encyclopedia)Marañón, river, c.1,000 mi (1,600 km) long, rising in Lake Lauricaucha in the Cordillera Occidental, W central Peru. It flows generally NW, then E across the Andes to join the Ucayali River in NE Pe...

Valles Caldera National Preserve

(Encyclopedia)Valles Caldera National Preserve väˈyās [key], 89,766 acres (36,343 hectares), N N.Mex.; est. 2000 by Valles Caldera Trust, transferred to National Park Service 2015. Formerly part of the vast, pri...

Pierre

(Encyclopedia)Pierre pēr [key], city (1990 pop. 12,906), state capital (since 1889) and seat of Hughes co., central S.Dak., on the east bank of the Missouri River, opposite Fort Pierre; inc. 1883. Its economy is c...

rift valley

(Encyclopedia)rift valley, elongated depression, trough, or graben in the earth's crust, bounded on both sides by normal faults and occurring on the continents or under the oceans. The central flat block forming th...

Don, river, Russia

(Encyclopedia)Don dŏn, Rus. dôn [key], river, SW European Russia. It rises SE of Tula and flows c.1,200 mi (1,930 km), first SE past Voronezh, then SW into the Sea of Azov. At its eastern bend the Don is linked b...

ibis

(Encyclopedia)ibis īˈbĭs [key], common name for wading birds with long, slender, decurved bills, found in the warmer regions of both hemispheres. The body is usually about 2 ft (61 cm) long. Most ibises nest in ...

Midland, cities, United States

(Encyclopedia)Midland. 1 City (1990 pop. 38,053), seat of Midland co., central Mich., in the Saginaw valley at the confluence of the Tittabawassee and Chippewa rivers; inc. 1887. Midland owes its development after ...

Novosibirsk

(Encyclopedia)Novosibirsk nôˌvəsĭbērskˈ [key], city (1989 pop. 1,437,000), capital of Novosibirsk region and the administrative center of the Siberian federal district, S Siberian Russia, on the Ob River and ...

Artois

(Encyclopedia)Artois ärtwäˈ [key], region and former province, in Pas-de-Calais dept., N France, near the English Channel, between Picardy and Flanders. Arras is the chief city. Largely agricultural, it contains...