A fresh, holistic Grand Canyon Stratigraphy.
NPS releases a 100-page, illustrated report detailing the geologic resources of the Tonto National Monument of central Arizona.
A 145-page monograph on the geology and mineral resources of the Santa Catalina Mtns. by Dr. Eric Force (1997).
Phil Anderson (Ph.D., University of Arizona) had a genius for mapping and interpreting the Proterozoic geology, tectonics, and mineral deposits of the Southwest. Unfortunately, his mapping was never made public, until now.