Preliminary geologic map of Chiricahua National Monument, Cochise County, Arizona, with digital geologic map data - Text (paper copy)

Map, Bedrock, dacite of Sugarloaf Mountain (Chiricahua Mts.)(Sugarloaf series - Rhyolite Canyon Fm) - Oligocene, pyroclastic flow deposits of Erickson Ridge - Faraway Ranch Fm, rhyolite of Erickson Ridge, pyroclastic flow deposits of Hands Pass, rhyolite of Hands Pass, welded tuff of Riggs Spring, [Bonita Park Fm][sedimentary rocks of Bonita Park] - [Faraway Ranch Fm][andesite of Silver Spur Ranch] - rocks of the Cochise Head eruptive center - Oligocene - mid-Tertiary volcanic assemblage,