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Yosemite National Park

(Encyclopedia)Yosemite National Park yōsĕmˈĭtē [key], 748,436 acres (302,881 hectares), E central Calif.; est. 1890 as a result of the efforts of conservationist John Muir. Located in the Sierra Nevada, it is ...

Lysenko, Trofim Denisovich

(Encyclopedia)Lysenko, Trofim Denisovich lĭsĕngˈkō, Rus. trəfēmˈ dyĭnyēˈsəvĭch lĭsyĕnˈkə [key], 1898–1976, Russian agronomist. As president of the Lenin All-Union Academy of Agricultural Sciences ...

National Council of the Churches of Christ in the United States of America

(Encyclopedia)National Council of the Churches of Christ in the United States of America, cooperative agency of 35 Protestant, Orthodox, and Anglican denominations. Formed in 1950, with headquarters in New York Cit...

Tsavo National Park

(Encyclopedia)Tsavo National Park tsäˈvō [key], 8,034 sq mi (20,808 sq km), SE Kenya; est. 1948. Located on the semiarid plains, it is a sanctuary for the large animals of E Africa. The Mzima Springs are found t...

Sequoia National Park

(Encyclopedia)Sequoia National Park, 402,510 acres (162,960 hectares), E central Calif.; est. 1890. In the park are 35 groves of giant sequoias, spectacular granite mountains, and deep canyons. The General Sherman ...

Kluane National Park

(Encyclopedia)Kluane National Park klo͞oānˈ [key], c.8,500 sq mi (22,000 sq km), SW Yukon, Canada, between Kluane Lake and the British Columbia and Alaska borders; est. 1972. Located in the St. Elias Mts., the p...

Jasper National Park

(Encyclopedia)Jasper National Park, 4,200 sq mi (10,878 sq km), W Alta., Canada, in the Canadian Rocky Mts.; est. 1907. It is the second largest of the Canadian scenic national parks and contains many high peaks, g...

Silliman, Benjamin

(Encyclopedia)Silliman, Benjamin, 1779–1864, American chemist, geologist, and physicist, b. Trumbull, Conn., grad. Yale, 1796. In 1802 he was appointed first professor of chemistry and natural history at Yale; he...

Yellowstone National Park

(Encyclopedia)Yellowstone 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 Mt...

Voyageurs National Park

(Encyclopedia)Voyageurs National Park, 218,200 acres (88,340 hectares), N Minnesota. The park contains forested lake country noted for its sports fishing and glacial features. In the 18th cent. the region was a tra...