Description: Report of investigations issued by the U.S. Bureau of Mines regarding the estimates of known reserves of coking coal located in Knott County, Kentucky. The investigation also discusses properties of coal and coal blends from the area. This report includes maps and tables.
Date: July 1952
Creator: Dowd, James J.; Toenges, Albert L.; Abernethy, R. F. & Reynolds, D. A.
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