Geologic map of Pinal County, Arizona [map] / prepared by the Arizona Bureau of Mines, University of Arizona ; by Eldred D. Wilson and Richard T. Moore with additional data from maps by L.A. Heindl and S.C. Creasey, U.S. Geological Survey and others
Includes legend. Insets: Index map of Arizona showing location of Pinal County. Map showing sources of geologic data. "Contour interval 500 feet. Datum is mean level."