Roehler, H. W. (1978). Geology of the Cooper Ridge NE quadrangle, Sweetwater County, Wyoming: Stratigraphy, structure, and energy resources, including coal, gas, oil, and shale oil. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationRoehler, Henry W. Geology of the Cooper Ridge NE Quadrangle, Sweetwater County, Wyoming: Stratigraphy, Structure, and Energy Resources, Including Coal, Gas, Oil, and Shale Oil. Washington: United States Department of the Interior, Geological Survey, 1978.
MLA (9th ed.) CitationRoehler, Henry W. Geology of the Cooper Ridge NE Quadrangle, Sweetwater County, Wyoming: Stratigraphy, Structure, and Energy Resources, Including Coal, Gas, Oil, and Shale Oil. United States Department of the Interior, Geological Survey, 1978.