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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...

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,...

Tonawanda

(Encyclopedia)Tonawanda tŏnəwŏnˈdə [key], city (1990 pop. 17,284), Erie co., NW N.Y., on the Niagara River at the terminus of the Erie Canal; inc. as a village 1854, as a city 1903. An industrial suburb of Buf...

Wollongong

(Encyclopedia)Wollongong wo͝olˈən-gŏng [key], city (2016 pop. 203,630), New South Wales, SE Australia. It is an important iron and steel center. There are other industries, including copper refining and textile...

Xichang

(Encyclopedia)Xichang shēˈchängˈ [key], city (1994 est. pop. 504,800), SW Sichuan prov., China. A trading and transport center, the city has an economy based on agricultural products and processing; there also ...

Beauharnois

(Encyclopedia)Beauharnois bōhärˈnwä [key], city, S Que., Canada, on Lake St. Louis, a broadening of the St. ...

Widnes

(Encyclopedia)Widnes wĭdˈnĭs [key], city (1991 pop. 55,973), Halton, NW England, on the Mersey River. It is an important alkali-processing center. Other products are paints, soap, pharmaceuticals, and steel good...

lock, canal

(Encyclopedia)lock, canal, stretch of water enclosed by gates, one at each end, built into a canal or river for the purpose of raising or lowering a vessel from one water level to another. A lock may also be built ...

refining

(Encyclopedia)refining, any of various processes for separating impurities from crude or semifinished materials. It includes the finer processes of metallurgy, the fractional distillation of petroleum into its comm...

spear

(Encyclopedia)spear, primitive weapon consisting of a wooden shaft tipped with a sharp point, usually 8 to 9 ft (2.4–2.7 m) in length. The point may be carved from the shaft and hardened in a fire, or made from a...