Columbia Encyclopedia

(Encyclopedia) Gata, Sierra de syārˈrä ᵺā gäˈtä [key], mountain range, W Spain. Between the valleys of the Douro and Tagus rivers, it separates León from Extremadura. Its highest point is the Jálama peak ...

(Encyclopedia) Sierra Madre dĕl so͝orˈ [key] is a tumbled, broken mass of uptilted mountains that touch the Pacific coast but form into no clearly defined range. It spreads over S Mexico between the volcanic belt...

(Encyclopedia) bighorn or Rocky Mountain sheep, wild sheep, Ovis canadensis, of W North America, formerly plentiful in mountains from SW Canada to N Mexico. Indiscriminate hunting, disease, and scarcity of food enor...

(Encyclopedia) Cascade Range, mountain chain, c.700 mi (1,130 km) long, extending S from British Columbia to N Calif., where it becomes the Sierra Nevada; it parallels the Coast Ranges, 100–150 mi (161–241 km) i...

(Encyclopedia) Guadarrama, Sierra de syārˈrä ᵺā gwäᵺäräˈmä [key], mountain range rising from the plateau of central Spain, N of Madrid, and extending c.120 mi (190 km) between the Tagus and Douro rivers...

(Encyclopedia) Bitterroot Range, part of the Rocky Mts., on the Idaho-Mont. line. The main range, running northwest-southeast, includes Trapper Peak (10,175 ft/3,101 m high); Mt. Garfield (10,961 ft/3,341 m), in an ...

(Encyclopedia) Cordilleras kôrdĭlˈərəz, Span. kōrdēyāˈräs [key] [Span., originally=little string], general name for the entire chain of mountain systems of W North America, extending from N Alaska to Nicar...

(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...

(Encyclopedia) Kings, river, 125 mi (201 km) long, rising in three forks in the Sierra Nevada, E Calif., and flowing SW to Tulare Lake in the San Joaquin valley. Its middle and southern forks flow through the great ...

(Encyclopedia) Vosges vōzh [key], mountain range, E France, between the Alsatian plain in the east and the plateau of S Lorraine in the west. It extends generally north and parallel to the Rhine River for c.120 mi ...