Geology Reference
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(16) Rhone, R.D., 1902. Anthracite Coal Mines and Mining. Review of Reviews, NY.
(17) Schobert, H.H., 1987. Coal, The Energy Source of The Past and Future. American Chemical Society,
Washington, DC, 298 p.
(18) Stefanko, R., Bise, C.J. (Eds.), 1983. Coal Mining Technology Theory and Practice. Society of Mining
Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers, New York, NY, 410 p.
(19) When Coal was King: Coal Mining in Western Canada, Heritage Community Foundation.
http://www.coalking.ca/
(20) World Coal Institute
http://www.worldcoal.org
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