Oil-Shale: An Historical, Technical, and Economic Study (open access)

Oil-Shale: An Historical, Technical, and Economic Study

Report issued by the U.S. Bureau of Mines discussing studies conducted on the development of the oil-shale industry from a historical, technical, and economic perspective. Results of the studies are presented. This report includes tables, illustrations, and photographs.
Date: July 1922
Creator: Gavin, Martin J.
System: The UNT Digital Library
Shorter Contributions to General Geology, 1936 (open access)

Shorter Contributions to General Geology, 1936

From abstract: This report describes four species of Ostreidae from the Upper Cretaceous of the Gulf region. The zones that the species characterize lie either in the upper part of the Austin chalk or in beds of upper Austin age.
Date: 1940
Creator: Loughlin, G. F.
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
Radioactive Mineral Occurrences of Colorado and Bibliography (open access)

Radioactive Mineral Occurrences of Colorado and Bibliography

From abstract: This two-part report provides an essentially complete listing of radioactive occurrences in Colorado, with a comprehensive bibliography and bibliographic cross-indexes.
Date: 1978
Creator: Nelson-Moore, James L.; Collins, Donna Bishop & Hornbaker, A. L.
System: The UNT Digital Library