Roehler, H. W. (1977). Geologic map of the Cooper Ridge NE quadrangle, Sweetwater County, Wyoming. U.S. Geological Survey.
Chicago Style (17th ed.) CitationRoehler, Henry W. Geologic Map of the Cooper Ridge NE Quadrangle, Sweetwater County, Wyoming. Reston, Va.: U.S. Geological Survey, 1977.
MLA (9th ed.) CitationRoehler, Henry W. Geologic Map of the Cooper Ridge NE Quadrangle, Sweetwater County, Wyoming. U.S. Geological Survey, 1977.
Warning: These citations may not always be 100% accurate.