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open access

Estimate of Known Recoverable Reserves of Coking Coal in Armstrong County, Pennsylvania.

Description: Report issued by the U.S. Bureau of Mines on the estimates of known reserves of coking coal deposits in Armstrong County, Pennsylvania. The properties of coal and coal blends from the area are presented. The report includes tables and maps.
Date: July 1951
Creator: Dowd, James J.; Turnbull, Louis A.; Toenges, Albert L.; Abernethy, R. F. & Reynolds, D. A.
open access

National Motor-Gasoline Survey: Winter 1950-51

Description: Report issued by the U.S. Bureau of Mines on the motor fuel sold in the U.S. during the winter of 1950-1951. Analysis of properties and trend characteristics of the fuel samples are presented. This report includes tables, graphs, and a map.
Date: July 1951
Creator: Blade, O. C.
open access

Oil-Shale Operations in New South Wales, Australia

Description: Report issued by the U.S. Bureau of Mines on the oil-shale operations at New South Wales, Australia in 1947. The methods, and types of equipment used are presented. The report includes maps, photographs, and illustrations of the oil-shale refinery.
Date: July 1951
Creator: Kraemer, A. J. & Thorne, H. M.
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