R. P. Dickerson H. N. Barton A. E. McCafferty V. J. S. Grauch Hayati Koyuncu Keenan Lee J. S. Duval S.R. Munts D.A. Benjamin T. J. Close D. A. Lipton T.R. Neumann S.L. Sillett S. Bartsch-Winkler 1990 application/pdf 10.3133/b1752 en Dept. of the Interior, U.S. Geological Survey ; For sale by the Books and Open-File Reports Section, Mineral resources of the San Rafael Swell Wilderness Study Areas, including Muddy Creek, Crack Canyon, San Rafael Reef, Mexican Mountain, and Sids Mountain Wilderness study areas, Emery County, Utah reports