Grom, R. A. M. The History of Badlands National Monument and the White River (Big) Badlands of South Dakota.
Chicago Style (17th ed.) CitationGrom, Robert A.; Mattison. The History of Badlands National Monument and the White River (Big) Badlands of South Dakota.
MLA (9th ed.) CitationGrom, Robert A.; Mattison. The History of Badlands National Monument and the White River (Big) Badlands of South Dakota.
Warning: These citations may not always be 100% accurate.