Gypsum Products: Their Preparation and Uses (open access)

Gypsum Products: Their Preparation and Uses

Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.
Date: July 1917
Creator: Stone, Ralph W.
System: The UNT Digital Library
Reconnaissance for Uraniferous Lignites in North Dakota, South Dakota, Montana, and Wyoming (open access)

Reconnaissance for Uraniferous Lignites in North Dakota, South Dakota, Montana, and Wyoming

From introduction: This report details the reconnaissance for uraniferous lignites in North Dakota, South Dakota, Montana, and Wyoming during 1948 and 1949.
Date: July 1952
Creator: Beroni, E. P. & Bauer, Herman L., Jr.
System: The UNT Digital Library
Petrographic Study of Sandstone of the Inyan Kara Group (Cretaceous) and Associated Rocks in the Black Hills, Wyoming and South Dakota (open access)

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.
System: The UNT Digital Library
Reconnaissance for Uraniferous Lignites in North Dakota, South Dakota, Montana, and Wyoming (open access)

Reconnaissance for Uraniferous Lignites in North Dakota, South Dakota, Montana, and Wyoming

Report discussing a geological study performed to find uraniferous lignites in North Dakota, Eastern Montana, north-central Wyoming, and northwestern South Dakota. "Deposits of uraniferous lignites were discovered at Blue Buttes, eastern Montana; and at North Cave Hills, South Cave Hills, and at Slim Buttes in northwestern South Dakota."
Date: July 1952
Creator: Beroni, Ernest P. & Bauer, Herman L., Jr.
System: The UNT Digital Library
Petrographic study of sandstone of the Inyan Kara group (Cretaceous) and associated rocks in the Black Hills, Wyoming and South Dakota (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.
System: The UNT Digital Library