Description: 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.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department