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Mackenzie, Sir William

(Encyclopedia)Mackenzie, Sir William, 1849–1923, Canadian railroad builder and financier, b. Ontario. In the early 1870s he became a railroad contractor. He constructed portions of the Canadian National and the C...

gopher

(Encyclopedia)gopher or pocket gopher, name for the burrowing rodents of the family Geomyidae, found in North America and Central America. The gopher is gray, buff, or dark brown. Its combined head and body length ...

Honduras

(Encyclopedia)CE5 Honduras hŏndo͝orˈəs, –dyo͝orˈ–; Span., ōndo͞oˈräs [key], officially Republic of Honduras, republic (2015 est. pop. 8,961,000), 43,277 sq mi (112,088 sq km), Central America. Seco...

chaparral

(Encyclopedia)chaparral chăpərălˈ [key], type of plant community in which shrubs are dominant. It occurs usually in regions having from 10 to 20 in. (25–50 cm) of rainfall annually and with a Mediterranean-ty...

Asia

(Encyclopedia)CE5 Asia āˈzhə [key], the world's largest continent 17,139,000 sq mi (44,390,000 sq km) and most populous (2015 est. pop. 4,419,898,000), with nearly three fifths of the world's total population...

Cornwall, county, England

(Encyclopedia)Cornwall, county, SW England, administratively (since 2009) a unitary authority. Bodmin was the county seat, but the local government is now based in Tr...

Canada

(Encyclopedia)CE5 CE5 Canada kănˈədə [key], independent nation (2020 est. pop. 37,742,154), 3,851,787 sq mi ...

Miocene epoch

(Encyclopedia)Miocene epoch mīˈəsēn [key], fourth epoch of the Tertiary period in the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from around 24.6 to 5.1 mill...

Aleutian Islands

(Encyclopedia)Aleutian Islands əlo͞oˈshən [key], chain of rugged, volcanic islands curving c.1,200 mi (1,900 km) west from the tip of the Alaska Peninsula and approaching Russia's Komandorski Islands. A partial...

Broecker, Wallace Smith

(Encyclopedia)Broecker, Wallace Smith brōkˈər [key], 1931–2019, American geophysicist, b. Chicago, Ph.D. Columbia, 1958. He was a member of Columbia's faculty from 1959. In the 1970s he predicted rising temper...