1. Geologic map of the southeastern Kofa Mountains and western Tank Mountains, southwestern Arizona Author/Creator: Grubensky, Michael J. Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
2. Geologic map of the Tohono O'odham Indian Nation, southern Arizona Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Information Services [distributor], 1995 Resource Type: Map Access & Availability: Loading
3. Geologic map of the Castle Dome Mountains, southwestern Arizona Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
4. Mineral resources of the Orocopia Mountains Wilderness Study Area, Riverside County, California Publication/Creation: Washington : U.S. G.P.O. ; Denver, Co. : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading