Structure, coal thickness, and overburden thickness of the Wall Coal Resource Unit, west half of the Birney 30' x 60' Quadrangle, Big Horn and Rosebud counties, Montana
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Coal Map↗
Geology topics
William C. Culbertson
Publications and source records attributed to William C. Culbertson.
Structure contour map on top of the Canyon Coal Bed, Birney 30' x 60' Quadrangle, Big Horn, Rosebud, and Powder River counties, Montana
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Coal Map↗
Coal resource classification system of the U.S. Geological Survey
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Circular↗
Geologic map and coal sections of the Forks Ranch quadrangle, Big Horn County, Montana
The Forks Ranch quadrangle lies on the gently-dipping east flank of the Powder River basin, near its trough line.
Montana↗