These 11 geologic map quadrangles were constructed between 1973 and 1985 as part of Phil Anderson's Ph.D dissertation research at the University of Arizona, Tucson, Arizona. In 2017, Donna Smart, Phil Anderson's widow, gave the Arizona Geological Survey permission to publish Dr. Anderson's geologic mapping. We gratefully acknowledge the generosity of the Arizona Geological Society Executive Committee, David Briggs - President, for providing two papers authored by Phil Anderson and published in Arizona Geological Society Digest 17, 'Geologic Evolution of Arizona' (1989), edited by J.P. Jenney & S.J. Reynolds. 1) Anderson, P., 1989, Proterozoic plate tectonic evolution of Arizona. 2) Anderson, P., 1989, Stratigraphic framework, volcanic-plutonic evolution, and vertical deformation of the Proterozoic volcanic belts of central Arizona