National Geologic Map Database
General Information
- Title: Diagrammatic restored section of the Inyan Kara Group, Morrison Formation, and Unkpapa Sandstone on the western side of the Black Hills, Wyoming and South Dakota
- Author(s): Mapel, W.J., and Gott, G.B.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Mineral Investigations Field Studies Map MF-218
- Publication Date: 1959
- Map Scale: 1:250,000
- Cross Section: Yes
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Geologic units referred to in Geolex
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- U.S. Geological Survey
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- Phone: (303) 202-4700 or 1-888-ASK-USGS
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.