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Ucayali

(Encyclopedia)Ucayali o͞okäyäˈlē [key], river, c.1,000 mi (1,610 km) long, formed by the confluence of the Apurímac and Urubamba rivers, E Peru, and flowing generally north through a mountain and jungle wilde...

Regiomontanus

(Encyclopedia)Regiomontanus rēˌjēōmŏnˌtāˈnəs [key] [Lat.,=belonging to the royal mountain, i.e., to Königsberg], 1436–76, German astronomer and mathematician, b. Königsberg. His original name was Johan...

nutcracker

(Encyclopedia)nutcracker, common name for a small crow of the genus Nucifraga in the family Corvidae (crow family). The Old World nutcracker (N. caryocatactes) is found throughout the colder regions of Europe, incl...

Pan-American Highway

(Encyclopedia)Pan-American Highway, system of roads, c.16,000 mi (25,750 km) long, linking the nations of the Western Hemisphere. It was suggested at the Fifth International Conference of American States (1923) and...

Noatak National Preserve

(Encyclopedia)Noatak National Preserve, 6,569,904 acres (2,660,811 hectares), N Alaska. The preserve is the largest mountain-ringed river basin in the United States that is still virtually unaffected by human activ...

Vladikavkaz

(Encyclopedia)Vladikavkaz vlədyēˈkävkäz [key], city (1989 pop. 300,000), capital of North Ossetia-Alania, SE European Russia, on the Terek River and at the northern foot of the Caucasus. It is the starting poi...

Warner, Seth

(Encyclopedia)Warner, Seth, 1743–84, hero of the American Revolution, b. Roxbury, Conn. One of the group who, under Ethan Allen, resisted the New York claim to the New Hampshire Grants (now Vermont), he was outla...

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...

Wrangell–Saint Elias National Park and Preserve

(Encyclopedia)Wrangell–Saint Elias National Park and Preserve, at the convergence of the Chugach, Wrangell, and St. Elias mts., SW Alaska. The park (8,323,618 acres/3,369,856 hectares) contains Mt. Saint Elias (1...

Sucre

(Encyclopedia)Sucre, city (1992 pop. 131,769), S central Bolivia, constitutional capital of Bolivia and capital of Chuquisaca dept. Since 1898, La Paz has been the administrative capital of Bolivia and the seat of ...