through coal
41Coal Preparation Processes — (Cleaning/Beneficiation/Processing) In its broadest sense, preparation is any processing of mined coal to prepare it for market, including crushing and screening or sieving the coal to reach a uniform size, which normally results in removal of… …
42Coal Region — This article is about coal mining region in northeast Pennsylvania. For coal mining regions in general, see coal mining region. Anthracite Coal fields of Pennsylvania …
43Coal mining in Colorado — Early coal mining in Colorado, a state of the United States was spread across the state. Some early coal mining areas are currently inactive, including the Denver Basin Raton Basin coal fields along the Front Range. There are currently 11 active… …
44Coal mining in the United Kingdom — Coalfields of the United Kingdom in the 19th century. Coal mining in the United Kingdom probably dates to Roman times and took place in many different parts of the country. Britain s coalfields are associated with Northumbria and Durham, North… …
45Coal Harbour — For the village on Vancouver Island, see Coal Harbour, British Columbia. For the community in Nunavut, see Coral Harbour, Nunavut …
46Coal forest — Etching depicting some of the most significant plants of the Carboniferous. Coal forests were the vast swathes of wetlands that extended over much of the tropical land areas during late Carboniferous (Pennsylvanian) and Permian times.[1 …
47coal classification — ▪ process any of various ways in which coal is grouped. Most classifications are based on the results of chemical analyses and physical tests, but some are more empirical in nature. Coal classifications are important because they provide… …
48Coal Miners' Museum (Van Lear) — Coordinates: 37°46′16″N 82°45′30″W / 37.77116°N 82.758358°W / 37.77116; 82.758358 …
49Coal hole — A selection of coal hole covers from Gordon Square, London and surrounding streets A coal hole is a hatch in the pavement (sidewalk, in US usage) above an underground coal bunker.[1] They are sometimes found outside houses that existed during the …
50Coal City Review — The Coal City Review is an annual literary journal of prose, poetry, reviews and illustrations published by the University of Kansas English MFA Program and edited by Brian Daldorph since 1989. The Review typically features the work of many… …
