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Barentsburg

(Encyclopedia)Barentsburg bäˈrəntsbo͝org [key], town, Spitsbergen island, Svalbard, Norway. Though tourism is increasingly economically significant, Barentsburg was originally a coal-mining settlement, establis...

Rotherham

(Encyclopedia)Rotherham rŏᵺˈərəm [key], metropolitan borough (1991 pop. 122,374), N England, at the confluence of the Don and Rother rivers. Situated in a principal coal district, the city manufactures steel,...

Salgótarján

(Encyclopedia)Salgótarján shŏlˈgōtŏrˌyän [key], city (1991 est. pop. 47,500), N Hungary, near the Slovak border. It is an industrial center with ironworks, glassworks, and manufactures of agricultural machi...

Castrop-Rauxel

(Encyclopedia)Castrop-Rauxel käsˈtrôp-roukˈsəl [key], city, North Rhine–Westphalia, W Germany, on the Rhine-Herne ...

Pottsville

(Encyclopedia)Pottsville, industrial city (1990 pop. 16,603), seat of Schuylkill co., E Pa., on the Schuylkill River; inc. 1847. Once an anthracite coal mining center, it manufactures plastic products, processed fo...

Piedras Negras, city, Mexico

(Encyclopedia)Piedras Negras, city (1990 pop. 96,178), Coahuila state, N Mexico, on the Rio Grande opposite Eagle Pass, Tex. Founded in 1849, the city grew as an international shipping point. Piedras Negras is a co...

Franklin, Rosalind Elsie

(Encyclopedia)Franklin, Rosalind Elsie, 1920–58, English molecular biologist and chemist, grad. Newnham College, Cambridge (1941). She spent most of the war years (1942–45) working for the British Coal Utilisat...

Kyushu

(Encyclopedia)Kyushu kyo͞oˈsho͞o [key], island (1990 pop. 13,064,955), c.13,760 sq mi (35,640 sq km), S Japan. It is the third largest, southernmost, and most densely populated of the major islands of Japan. It ...

Ebbw Vale

(Encyclopedia)Ebbw Vale ĕbˈo͞o [key], Welsh Glyn Ebwy, town, Blaenau Gwent, SE Wales. A former coal-mini...

crusher

(Encyclopedia)crusher, machine used to reduce materials such as ore, coal, stone, and slag to particle sizes that are convenient for their intended uses. Crushers operate by slowly applying a large force to the mat...