Books by George S. Ryan:
Books in the extended shelves:
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Ryan, George S.: Mineral investigation of the Black Rock wilderness study area, Graham County, Arizona (U.S. Dept. of the Interior, Bureau of Mines, 1985), also by Geological Survey (U.S.), United States. Bureau of Mines. Intermountain Field Operations Center, and United States Bureau of Mines (page images at HathiTrust)- Ryan, George S.: Mineral investigation of the Fishhooks wilderness study area, Graham County, Arizona (U.S. Dept. of the Interior, Bureau of Mines, 1985), also by Geological Survey (U.S.), United States. Bureau of Mines. Intermountain Field Operations Center, and United States Bureau of Mines (page images at HathiTrust)
- Ryan, George S.: Mineral investigation of the Needle's Eye wilderness study area, Gila County, Arizona (U.S. Dept. of the Interior, Bureau of Mines, 1984), also by Geological Survey (U.S.), United States. Bureau of Mines. Intermountain Field Operations Center, and United States Bureau of Mines (page images at HathiTrust)
- Ryan, George S.: Mineral investigation of the Virgin River wilderness study area, Mohave County, Arizona (U.S. Dept. of the Interior, Bureau of Mines, 1984), also by Albert D. Harris, United States Bureau of Mines, and Geological Survey (U.S.) (page images at HathiTrust)
- Ryan, George S.: Mineral resources of the Encampment River Canyon Wilderness study area, Carbon County, Wyoming (United States Government Printing Office, 1989), also by E. A. Du Bray, R. H. Hill, Viki Bankey, United States Bureau of Mines, and Geological Survey (U.S.) (page images at HathiTrust)
- Ryan, George S.: Mineral resources of the Jornada del Muerto Wilderness Study Area, Socorro and Sierra counties, New Mexico (Dept. of the Interior, U.S. Geological Survey ;, 1987), also by Donald H. Richter and R. W. Saltus (page images at HathiTrust)
- Ryan, George S.: Mineral resources of the Mount Wilson Wilderness study area, Mohave County, Arizona (U.S. G.P.O. ;, 1989), also by Robert C. Greene, William A. Lawson, Robert C. Jachens, Jerry R. Hassemer, R. G. Eppinger, and Geological Survey (U.S.) (page images at HathiTrust)
- Ryan, George S.: Mineral resources of the Prospect Mountain Wilderness study area, Carbon County, Wyoming (U.S. G.P.O. ;, 1989), also by E. A. Du Bray, R. H. Hill, Viki Bankey, United States Bureau of Mines, and Geological Survey (U.S.) (page images at HathiTrust)
- Ryan, George S.: Mineral resources of the Swansea Wilderness Study Area, La Paz and Mohave counties, Arizona (U.S. G.P.O. ;, 1990), also by Richard M. Tosdal, Stephanie L. Jones, James A. Pitkin, Andrea J. Gallagher, Daniel H. Knepper, H. Richard Blank, R. G. Eppinger, and Geological Survey (U.S.) (page images at HathiTrust)
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