223 resultados para Coal Cuttability


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Presented at EPA Symposium on Environmental Aspects of Fuel Conversion Technology, May 14, 1974.

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Prepared for Office of Coal Research, U.S. Department of the Interior.

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"Period of performance: September, l968- December, 1973."

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Prepared for the Office of Coal Research, Dept. of the Interior...by the Pittsburg & Midway Coal Mining Co., Kansas City, Mo.

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"DOE/ET-0100."

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