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Annual Report of Research and Technologic Work on Coal: Fiscal Year 1946
Report issued by the U.S. Bureau of Mines discussing investigations of the research and technologic work done on coal during 1946. Mining methods, and properties of coal are presented. This report includes tables, illustrations, photographs, and maps.
Date:
July 1947
Creator:
Fieldner, Arno Carl & Ambrose, P. M.
System:
The UNT Digital Library