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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.
Object Type:
Report
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
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.
Object Type:
Report
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
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.
Object Type:
Report
System:
The UNT Digital Library
[Letter from T. N. Carswell to Samuel D. Harris - August 6, 1957]
A letter written to Mr. Samuel D. Harris, Agent, South Dakota Department of Probation and Paroles (Rapid City, South Dakota), from T. N. Carswell, Chairman, Taylor County, Texas, Parole Board, dated August 6, 1957. Carswell advises Harris regarding the situation of Subject financially, legally, and domestically. He advises of Subject's Parole Violation and offers to do what he can if subject is transferred to Texas.
Date:
August 6, 1957
Creator:
Carswell, T. N. (Thomas Norwood)
Object Type:
Letter
System:
The Portal to Texas History