Recommended Procedures and Methodology of Coal Desription Geological survey Circular 894
by E. C. T. Chao, J. A., Minkin, C.
$20 · Offered by Crossroads Books
United States Department of the Interior, 1983. stapled binding, name stamped on cover, 31 pages. Steps and methods to be followed to characterize, rapidly and quantitively, the distinctive properties and profiles of a given coal bed. DT1. More
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