Bedrock

Billingsley, G.H., 1993, Geologic map of the Little Tanks Quadrangle, northern Mohave County, Arizona: U.S. Geological Survey Open-File Report 93-0682, 13 p., 1 sheet, scale 1:24,000.

Billingsley, G.H., 1997, Geologic map of the Mount Trumbull NW Quadrangle, northern Mohave County, Arizona: U.S. Geological Survey Open-File Report 97-0488, 19 p., 1 sheet, scale 1:24,000.

Billingsley, G.H., 1994, Geologic map of the Moriah Knoll quadrangle, northern Mohave County, Arizona: U.S. Geological Survey Open-File Report 94-0634, 16 p., 1 sheet, scale 1:24,000.

Billingsley, G.H., 1994, Geologic map of the Hat Knoll quadrangle, northern Mohave County, Arizona: U.S. Geological Survey Open-File Report 94-0554, 14 p., 1 sheet, scale 1:24,000.

Billingsley, G.H., and Workman, J.B., 1997, Geologic map of the Littlefield 30' x 60' Quadrangle, Mohave County, northwestern Arizona: U.S. Geological Survey Geologic Investigations Series Map I-2628, 25 p., 1 sheet, scale 1:100,000.

Horstman, K.C., 1996, Geological, remote sensing, and geophysical investigation of the greater Arivaca region, Pima and Santa Cruz Counties, Arizona: Tucson, University of Arizona Ph.D. dissertation, 106 p., 3 sheets, scale 1:100,000.

Johnson, J.K., Reynolds, S.J., and Jones, D.A., 2003, Geologic map of the Phoenix Mountains, central Arizona: Arizona Geological Survey Digital Geologic Map Series DGM-28, 1 CD-ROM (15 p., 2 sheets, scale 1:24,000) [now available as Arizona Geological Survey Contributed Map CM-04-A].

Dickinson, W.R., 1998, Geologic relations of Martinez Ranch fault and Happy Valley Neogene Basin, east flank of Rincon Mountains, Pima County, Arizona: Arizona Geological Survey Contributed Map CM-98-B, 16 p., 1 sheet, scale 1:24,000.

Ash, N.A., 1997, Physical volcanology of the Santa Maria Mountains volcanic field, Yavapai County, Arizona: Flagstaff, Northern Arizona University, M.S. thesis, 102 p., 1 sheet, scale 1:24,000.

Dickinson, W.R., 1998, Facies map of post-mid-Miocene Quiburis Formation, San Pedro Trough, Pinal, Pima, Gila, Graham, and Cochise Counties, Arizona: Arizona Geological Survey Contributed Map CM-98-A, 6 p., 10 sheets, scale 1:24,000.