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  Partner: UNT Libraries Government Documents Department
 Country: Germany
 Country: United States
 Collection: Technical Report Archive and Image Library
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
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
Hydrogenation of Coal and Tar

Hydrogenation of Coal and Tar

Date: unknown
Creator: Wu, W. R. K. & Storch, H. H.
Description: From Abstract: "This bulletin traces the development of high-pressure, coal and tar hydrogenation technology, based on intensive review of the pertinent literature. The bulletin was written as a part of the Bureau of Mines research program on synthetic liquid fuels. It covers the history and economics of the process; the chemical aspect of hydrogenation of coal, tar, and middle oil; the engineer aspect of converting coal and tar to liquid fuels, principally gasoline; and the equipment of the process."
Contributing Partner: UNT Libraries Government Documents Department
Potash Mining in Germany and France

Potash Mining in Germany and France

Date: 1927
Creator: Rice, George S. & Davis, John A.
Description: From Scope of Bulletin: "This paper is confined largely to a discussion of methods of mining potash salts in France and Germany, in view of the possible application of similar methods when mining of the deposits in the southwestern part if the United States is undertaken, but it also includes a brief history of the German and French potash industry, a discussion of the geology of the deposits, a short description of the refining of crude salts for export, and an estimate of the cost of production."
Contributing Partner: UNT Libraries Government Documents Department