Calvert, W. R. (1914). Geology of the Standing Rock and Cheyenne River Indian reservations, North and South Dakota. Department of the Interior, United States Geological Survey.
Chicago Style (17th ed.) CitationCalvert, William R. Geology of the Standing Rock and Cheyenne River Indian Reservations, North and South Dakota. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1914.
MLA (9th ed.) CitationCalvert, William R. Geology of the Standing Rock and Cheyenne River Indian Reservations, North and South Dakota. Department of the Interior, United States Geological Survey, 1914.
Warning: These citations may not always be 100% accurate.