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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.

Item Type: Report

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Petrographic Study of Sandstone of the Inyan Kara Group (Cretaceous) and Associated Rocks in the Black Hills, Wyoming and South Dakota

The following report covers the Petrographic study of Early Cretaceous age sandstone beds in the Fall River formation and the Fuson-Lakota formations, as well as Late Jurassic age beds in the underlying Unkpapa and Morrison formations along the western side of the Black Hills.

Date: July 1957

Creator: Bergenback, R. E.; Chisholm, W. A. & Mapel, W. J.

Item Type: Report

open access

Petrographic study of sandstone of the Inyan Kara group (Cretaceous) and associated rocks in the Black Hills, Wyoming and South Dakota

A report regarding petrographic study of sandstone of the Inyan Kara group and associated rocks in the Black hills, Wyoming and South Dakota

Date: July 1957

Creator: Bergenback, R. E.; Chisholm, Wayne A. & Mapel, W. J.

Item Type: Report

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Low-Temperature Carbonization Assays of North American Coals

Petrographic Study of Sandstone of the Inyan Kara Group (Cretaceous) and Associated Rocks in the Black Hills, Wyoming and South Dakota

Petrographic study of sandstone of the Inyan Kara group (Cretaceous) and associated rocks in the Black Hills, Wyoming and South Dakota