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Continental Divide

(Encyclopedia)Continental Divide, the “backbone” of a continent. In North America, from N Alaska to New Mexico, it moves along the crest of the Rocky Mts., which separates streams with outlets to the west of th...

Reelfoot Lake

(Encyclopedia)Reelfoot Lake, 20 mi (32 km) long, NW Tenn., near the Mississippi River; designated a national natural landmark by the National Park Service. It was formed when a depression created by earthquakes in ...

Mather, Stephen Tyng

(Encyclopedia)Mather, Stephen Tyng, 1867–1930, American industrialist and environmentalist, b. San Francisco, grad. Univ. of California, Berkeley, 1887. He began working for the Pacific Coast Borax Company in the...

Arapaho

(Encyclopedia)Arapaho ərăpˈəhō [key], Native North Americans of the Plains whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). Their own...

Daisetsu-zan

(Encyclopedia)Daisetsu-zan dīsāˈtso͞o-zäN [key], group of volcanic peaks, central Hokkaido, Japan, rising to 7,513 ft (2,290 m) at Asahi-dake. They are part of Daisetsu-zan National Park (895 sq mi/2,318 sq km...

Montana

(Encyclopedia)CE5 Montana mŏntănˈə [key], Rocky Mt. state in the NW United States. It is bounded by North Dakota and South Dakota (E), Wyoming (S), Idaho (W), and the Canadian provinces of British Columbia, ...

Kalahari

(Encyclopedia)Kalahari khĕmzˈbôk [key] (est. 1931) and Botswana's Gemsbok National Park (est. 1938). ...

Battery, the

(Encyclopedia)Battery, the, park, 21 acres (8.5 hectares), southern tip of Manhattan island, New York City; site of former Dutch and English fortifications. Castle Clinton, a fort built in 1808 for the defense of N...

Dry Tortugas

(Encyclopedia)Dry Tortugas tôrto͞oˈgəz [key], island group in the Gulf of Mexico, off S Fla., 60 mi (97 km) W of Key West. Named by the Spanish explorer Ponce de León in 1513, the islands later became a pirate...

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