1. Geologic map of Detrital, Hualapai, and Sacramento Valleys and surrounding areas, northwest Arizona Author/Creator: Beard, Sue Publication/Creation: Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, 2011 Resource Type: Map Access & Availability: Loading
2. Geologic map of the Needles 7.5' quadrangle, California and Arizona Author/Creator: Malmon, Daniel V. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2009 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
3. Database for the east half of "Preliminary Geologic Map of the Blythe 30ʹ by 60ʹ quadrangle, California and Arizona" (U.S. Geological Survey Open-file report 90-497) Author/Creator: Stone, Paul Publication/Creation: Menlo Park, Calif. : U.S. Geological Survey, 2006 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
4. 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