Columbia Encyclopedia

(Encyclopedia) O'Brien, Lucius Richard, 1832–99, Canadian landscape painter. He worked in an architect's office and later became an engineer. He is noted for his watercolor landscapes, especially of Rocky Mt. scen...

(Encyclopedia) Colorado tick fever or mountain tick fever, acute disease caused by infection with a double-stranded RNA virus (a Coltvirus) that is transmitted to humans by Rocky Mountain wood ticks (Dermacentor and...

(Encyclopedia) Chaudière Falls, in the Ottawa River in the heart of the city of Ottawa, Ont., Canada. The river is narrowed by rocky cliffs to a width of c.200 ft (60 m) and drops 50 ft (15 m) in a series of cascad...

(Encyclopedia) Skelligs, rocky islands, off SW Republic of Ireland, in Co. Kerry, comprising Lemon Rock, Little Skellig, and Great Skellig. Climbing the rocks to the peaks of Great Skellig, also known as Skellig Mic...

(Encyclopedia) Turner Valley, village (1991 pop. 1,352), SW Alta., Canada, at the foot of the Rocky Mts., on the Sheep River, SW of Calgary. It is in the center of the Turner Valley oil and natural gas fields, opene...

(Encyclopedia) Oldman, river, c.250 mi (400 km) long, rising in the Rocky Mts., SW Alta., Canada, and flowing generally E past Lethbridge to join the Bow River W of Medicine Hat and form the South Saskatchewan River...

(Encyclopedia)  CE5 North America, third largest continent (2015 est. pop. 571,949,000), c.9,400,000 sq mi (24,346,000 sq km), the northern of the two continents of the Western Hemisphere. North America includes a...

(Encyclopedia) Allegheny Plateau, dissected plateau, western part of the Appalachian Mts., extending c.500 mi (800 km) SW from N Pa. to SW Va., rising to c.4,860 ft (1,480 m) at Spruce Knob, the highest peak in West...

(Encyclopedia) Colorado, University of, main campus at Boulder; state supported; coeducational; chartered 1861, opened 1877. There are campuses at Colorado Springs and Denver; the main medical campus is at Aurora. T...

(Encyclopedia) Château d'If shätōˌdēfˈ [key], castle built in 1524 on the small rocky isle of If, in the Mediterranean Sea off Marseilles, SE France. Long used as a state prison, it was made famous by Alexandr...