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New Cretaceous Formations in the Western Wyoming Thrust Belt (open access)

New Cretaceous Formations in the Western Wyoming Thrust Belt

A report about six cretaceous rock formations in the western Wyoming thrust belt.
Date: 1973
Creator: Rubey, William W.
System: The UNT Digital Library
Stratigraphy and Geologic History of the Montana Group and Equivalent Rocks, Montana, Wyoming, and North and South Dakota (open access)

Stratigraphy and Geologic History of the Montana Group and Equivalent Rocks, Montana, Wyoming, and North and South Dakota

From introduction: This is a progress report on regional stratigraphic and paleontologic studies of the Upper Cretaceous Montana Group and equivalent rocks in the northern part of the western interior of the United States. It presents preliminary data on the positions of strandlines during a 14-m.y. (million year) span of the Late Cretaceous as well as our interpretations of the geologic history of this period.
Date: 1973
Creator: Gill, James R. & Cobban, William Aubrey
System: The UNT Digital Library
Geology of Eocene Rocks and Oil Yields of Green River Oil Shales on Part of Kinney Rim, Washakie Basin, Wyoming (open access)

Geology of Eocene Rocks and Oil Yields of Green River Oil Shales on Part of Kinney Rim, Washakie Basin, Wyoming

Report issued by the Bureau of Mines discussing the geology and oil-yield of the Green River in the Washakie Basin, Wyoming. Evaluations of the geology and oil-shale resources of the area are presented. This report includes tables, maps, illustrations, and photographs.
Date: 1973
Creator: Trudell, Laurence G.; Roehler, Henry W. & Smith, John Ward
System: The UNT Digital Library
Airborne Radiometric Survey of the Inyan Kara Group of the Black Hills, South Dakota and Wyoming (open access)

Airborne Radiometric Survey of the Inyan Kara Group of the Black Hills, South Dakota and Wyoming

This report presents the results of an airborne radiometric survey that was made of the Inyan Kara group in the Black Hills of South Dakota and Wyoming between March 5 to December 5, 1952.
Date: April 3, 1973
Creator: Yater, A. N.
System: The UNT Digital Library