Columbia Encyclopedia

(Encyclopedia) Douglas. 1 City (2020 pop. 16,534), Cochise co., SE Ariz., at the Mexican border; inc. 1905. The mining and smelting of copper have been ...

(Encyclopedia) Americanization, term used to describe the movement during the first quarter of the 20th cent. whereby the immigrant in the United States was induced to assimilate American speech, ideals, traditions,...

(Encyclopedia) Jurassic period jərăsˈĭk [key] [from the Jura Mts.], second period of the Mesozoic era of geologic time, lasting from 213 to 144 million years ago. At the start of the Jurassic most of the contine...

(Encyclopedia) Pensacola Dam, 145 ft (44 m) high and 6,500 ft (1,980 m) long, on the Grand River (local name of the Neosho), NE Okla., NE of Tulsa; built 1938–41 by the state of Oklahoma. The dam impounds Lake of ...

(Encyclopedia) Colorado School of Mines, at Golden; state supported, coeducational; chartered 1874. It was one of the first mineral engineering schools in the United States. It owns extensive experimental and resear...

(Encyclopedia) home rule, municipal, system adopted in many states of the United States by which a city is given the right to draft and amend its own charter and to regulate purely local matters without interference...

(Encyclopedia) Des Moines dĭ moinˈ [key], city (2020 pop. 214,133), state capital and seat of Polk co., S ...

(Encyclopedia) Green Bay, city (2020 pop. 107,395), seat of Brown co., NE Wis., at the mouth of the Fox River on Green Bay; inc. 1854. An important Great Lakes harbor,...

(Encyclopedia) Dohnányi, Ernst von ĕrˈnö [key], 1877–1960, Hungarian composer, pianist, and conductor. He studied at the Royal Academy, Budapest (1894–97), and later became its director. As a pianist he tour...

(Encyclopedia) convict labor, work of prison inmates. Until the 19th cent., labor was introduced in prisons chiefly as punishment. Such work is now considered a necessary part of the rehabilitation of the criminal; ...