Low-Temperature Carbonization Assays of North American Coals (open access)

Low-Temperature Carbonization Assays of North American Coals

Report issued by the Bureau of Mines over studies conducted on low-temperature carbonization of coal. Methods and results of the studies are presented and discussed. This report includes tables, illustrations, and photographs.
Date: 1957
Creator: Selvig, W. A. & Ode, W. H.
System: The UNT Digital Library
Mineral Facts and Problems, 1956 (open access)

Mineral Facts and Problems, 1956

Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions of common minerals and their uses are presented and discussed. This report includes tables, maps, and illustrations.
Date: 1956
Creator: United States. Bureau of Mines.
System: The UNT Digital Library