Columbia Encyclopedia

Search results

500 results found

Shickshock Mountains

(Encyclopedia)Shickshock Mountains, range of the Appalachian system, E Que., Canada, a continuation of the Notre Dame Mts., extending c.100 mi (160 km) east-west near the north coast of the Gaspé Peninsula. Tablet...

Gallatin, river, United States

(Encyclopedia)Gallatin, river, c.120 mi (190 km) long, rising in the Gallatin Range in the northwest corner of Yellowstone National Park, NW Wyo., and flowing generally northwest to join the Madison and Jefferson r...

Hunter Valley

(Encyclopedia)Hunter Valley, region of New South Wales, SE Australia. The Hunter River and its tributaries occupy this valley S of the Mt. Royal Range. The land in the upper valley is used for livestock grazing, da...

Spencer Gulf

(Encyclopedia)Spencer Gulf, inlet of the Indian Ocean, 200 mi (322 km) long and 80 mi (129 km) wide, SE South Australia state, Australia, between Eyre and Yorke peninsulas. The gulf is the major outlet for iron ore...

Waianae Mountains

(Encyclopedia)Waianae Mountains wīänäˈā [key], volcanic range, along SW side of Oahu island, Hawaii. It rises to Mt. Kaala (4,025 ft/1,227 m), the highest point on the island. ...

perfluoroalkyl and polyfluoroalkyl substances

(Encyclopedia)perfluoroalkyl and polyfluoroalkyl substances (PFAS), a group of several thousand synthetic organic chemical compounds made up of a chain of carbon atoms bonded to fluorine atoms. PFAS, which resist w...

Cariboo Mountains

(Encyclopedia)Cariboo Mountains kărˈĭbo͞o [key], range, c.200 mi (320 km) long, E British Columbia, Canada, rising to 11,750 ft (3,582 m) at Mt. Sir Wilfrid Laurier. It runs roughly parallel with the main Rocky...

Clearwater, river, United States

(Encyclopedia)Clearwater, river, c.190 mi (305 km) long, rising in several branches in the Bitterroot Range, N Idaho, and flowing west to join the Snake River at Lewiston, Idaho. The gold-mining era in Idaho began ...

Olekma

(Encyclopedia)Olekma əlyĕkˈmə [key], river, c.820 mi (1,320 km) long, rising in the Yablonovy range, SE Siberian Russia. It flows N through Amursk region and the Sakha Republic to the Lena River below Olekminsk...

Ortles

(Encyclopedia)Ortles ôrtˈlās [key], range of the Ötztal Alps, in Trentino–Alto Adige, N Italy. It has many glaciers. Ortles peak, 12,792 ft (3,899 m) high, the highest peak, was first ascended in 1804. ...