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Katahdin

(Encyclopedia) KatahdinKatahdinkətäˈdĭn [key], mountain, 5,267 ft (1,605 m) high, between branches of the Penobscot River in N central Maine; highest point in Maine. The peak and the beautifully…

MacKaye, Benton

(Encyclopedia) MacKaye, BentonMacKaye, Bentonməkīˈ [key], 1879–1975, American forester and regional planner, b. Stamford, Conn., grad. Harvard (B.A., 1900; M.A. School of Forestry, 1905); son of…

White Mountains

(Encyclopedia) White Mountains, part of the Appalachian system, N N.H. and SW Maine, rising to 6,288 ft (1,917 m) at Mt. Washington in the Presidential Range and to 5,249 ft (1,600 m) at Mt.…

Cumberland Plateau

(Encyclopedia) Cumberland Plateau or Cumberland Mountains, southwestern division of the Appalachian Mt. system, extending northeast to southwest through parts of West Virginia, Virginia, Kentucky,…

Great Smoky Mountains

(Encyclopedia) Great Smoky Mountains, part of the Appalachian system, on the N.C.–Tenn. border; highest range E of the Mississippi and one of the oldest uplands on earth. The mountains are named for…

Mesozoic era

(Encyclopedia) Mesozoic eraMesozoic eramĕzˌəzōˈĭk [key] [Gr.,=middle life], major division of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 65 to 225 million years ago.…

lily of the valley

(Encyclopedia) lily of the valley, common name for either of the two species of Convallaria, spring-blooming perennials of the family Liliaceae (lily family). C. majalis, the species usually in…

Catskill Mountains

(Encyclopedia) Catskill Mountains, dissected plateau of the Appalachian Mt. system, SE N.Y., W of the Hudson River. This glaciated region, wooded and rolling, with deep gorges and many waterfalls, is…

Carboniferous period

(Encyclopedia) Carboniferous periodCarboniferous periodkärbənĭfˈərəs [key], fifth period of the Paleozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), from 350 to…