1. Correlation of middle Jurassic San Rafael group and related rocks from Bridgeport to Ouray in western Colorado Author/Creator: O'Sullivan, Robert Brett, 1923- Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2004 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
2. The Jurassic Wanakah and Morrison formations in the Telluride-Ouray-western Black Canyon area of southern Colorado : revision of the Wanakah Formation and basal Morrison Formation in part of the Black Canyon of the Gunnison River Author/Creator: O'Sullivan, Robert Brett, 1923- Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by the Book and Open-File Report Sales, U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
3. Marine trace fossils in the Upper Jurassic Bluff Sandstone, southeastern Utah : a description of newly discovered trace fossils and their significance Author/Creator: O'Sullivan, Robert Brett, 1923- Publication/Creation: Washington : U.S. Govt. Print. Off, 1975 Resource Type: Book Access & Availability: Loading
4. Geology of the Cedar Mesa-Boundary Butte area, San Juan County, Utah Author/Creator: O'Sullivan, Robert Brett, 1923- Publication/Creation: Washington : U.S. Govt. Print. Off, 1965 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1186-1188. Access & Availability: Loading