The Jurassic Wanakah and Morrison formations in the Telluride-Ouray-western Black Canyon area of southwestern Colorado : revision of the Wanakah Formation and basal Morrison Formation in part of the Black Canyon of the Gunnison River - O'Sullivan, Robert Brett; United States. Department of the Interior (Washington : United States Government Printing Office, 1992)
Includes bibliographical references
Keywords: Geology, Stratigraphic -- Jurassic; Geology -- Colorado; Morrison Formation