1. Hydrological, geological, and biological site characterization of breccia pipe uranium deposits in northern Arizona Publication/Creation: Reston, Va. : U.S. Dept., of the Interior, U.S. Geological Survey, 2010 Resource Type: Book Access & Availability: Loading
2. The 1987 estimate of undiscovered uranium endowment in solution-collapse breccia pipes in the Grand Canyon region of northern Arizona and adjacent Utah Publication/Creation: [Washington, D.C.] : U.S. G.P.O. ; Denver, CO : Free on application to the Books and Open-File Reports Section, U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading
3. The 1987 estimate of undiscovered uranium endowment in solution-collapse breccia pipes in the Grand Canyon region of northern Arizona and adjacent Utah Publication/Creation: [Washington, D.C.] : U.S. G.P.O. ; Denver, CO : Free on application to the Books and Open-File Reports Section, U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading