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  Partner: UNT Libraries Government Documents Department
 Country: Canada
 Country: France
 Collection: Technical Report Archive and Image Library
World Survey of Tantalum Ore

World Survey of Tantalum Ore

Date: March 1945
Creator: Baker, James S.
Description: Report issued by the U.S. Bureau of Mines discussing the occurrences of tantalum in different areas of the world. The tantalum deposits are described in reference to each individual country that it is found in. This report includes maps, tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Low-Temperature Carbonization of Coal

Low-Temperature Carbonization of Coal

Date: 1926
Creator: Fieldner, Arno Carl
Description: Technical paper issued by the Bureau of Mines over studies on low-temperature carbonization of coal. Methods and equipment used during the studies are discussed. This paper includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department