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Gates of the Arctic National Park and Preserve

(Encyclopedia)Gates of the Arctic National Park and Preserve, N Alaska. Located N of the Arctic Circle, the park (7,523,898 acres/3,046,113 hectares) and adjacent preserve (948,629 acres/384,060 hectares) make up t...

batholith

(Encyclopedia)batholith, enormous mass of intrusive igneous rock, that is, rock made of once-molten material that has solidified below the earth's surface (see rock). Batholiths usually are granitic (see granite) i...

wilderness

(Encyclopedia)wilderness, land retaining its primeval character with the imprint of humans minimal or unnoticeable. In the United States, the Wilderness Act of 1964 established the National Wilderness Preservation ...

Chabon, Michael

(Encyclopedia)Chabon, Michael, 1963–, American writer, b. Washington, D.C., B.A. Univ. of Pittsburgh, 1984, M.A. Univ. of California, Irvine, 1987. Chabon's novels combine intriguing plots, usually involving Jewi...

McPhee, John Angus

(Encyclopedia)McPhee, John Angus, 1931–, American journalist and nonfiction writer, b. Princeton, N.J., A.B. Princeton, 1953. He was an editor at Time magazine (1957–64) before becoming (1965) a staff writer at...

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...

Alexander Archipelago

(Encyclopedia)Alexander Archipelago ärkĭpĕlˈəgō [key], island group off SE Alaska. The islands are the exposed tops of the submerged coastal mountains that rise steeply from the Pacific Ocean. Deep, fjordlike...

Greely, Adolphus Washington

(Encyclopedia)Greely, Adolphus Washington, 1844–1935, American army officer and arctic explorer, b. Newburyport, Mass. Entering the Union army at 17, he emerged a brevet major of volunteers at the end of the Civi...

grizzly bear

(Encyclopedia)grizzly bear or grizzly, large, powerful North American brown bear, characterized by gray-streaked, or grizzled, fur. Grizzlies are 6 to 8 ft (180–250 cm) long, stand 31⁄2 to 4 ft (105–120 cm) a...

fur trade

(Encyclopedia)fur trade, in American history. Trade in animal skins and pelts had gone on since antiquity, but reached its height in the wilderness of North America from the 17th to the early 19th cent. The demand ...