6 Matching Results

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Map Showing Cumulative Thickness of Sandstone in the Swift Formation, Montana

From introduction: In 1978 the U.S. Geological Survey began a 4-year study of aquifers in the northern Great Plains. The purpose of this map, which is a product of that study, is to show the cumulative thickness of sandstone in the Swift Formation.
Date: 1982
Creator: Feltis, R. D.
System: The UNT Digital Library

Map Showing Altitude of the Top of the Swift Formation, Montana

From introduction: In 1978 the U.S. Geological Survey began a 4-year study of aquifers in the norther Great Plains. The purpose of this map, which is a product of that study, is to show the altitude of the top of the Swift Formation.
Date: 1982
Creator: Feltis, R. D.
System: The UNT Digital Library

Map Showing Total Thickness of the Swift Formation, Montana

From introduction: In 1978 the U.S. Geological Survey began a 4-year study of aquifers in the norther Great Plains. The purpose of this map, which is a product of that study, is to show the total thickness of the Swift Formation.
Date: 1982
Creator: Feltis, R. D.
System: The UNT Digital Library

Plates 1-15: National Uranium Resource Evaluation: Bozeman Quadrangle, Montana

Supplementary maps documenting data from the Bozeman Quadrangle. From text: "The Bozeman Quadrangle is south-central Montana was evaluated for geologic environments capable of containing uranium deposits to a depth of 1500 m (5,000 ft.). Most rock types and geographic areas were investigated by surface traverse, and hydrgeochemical data were collected from available well sites."
Date: August 1982
Creator: Lange, Ian M.; Fields, Robert W.; Fountain, David M.; Moore, Johnnie N.; Qamar, Anthony I.; Silverman, A. J. et al.
System: The UNT Digital Library

Plates 1-30: National Uranium Resource Evaluation: Sandpoint Quadrangle, Washington, Idaho, and Montana

Supplementary documentation about geological and resource surveys of the Sandpoint quadrangle in the northwest United States.
Date: 1982~
Creator: unknown
System: The UNT Digital Library

National Uranium Resource Evaluation: Ekalaka Quadrangle, Montana, North and South Dakota [Plates]

The following plates depict the geology of the Ekala quadrangle in Montana, North and South Dakota.
Date: July 1982
Creator: Bowles, C. Gilbert
System: The UNT Digital Library