Richard, S.M., Ferguson, C.A., Spencer, J.E., Youberg, Ann, and Orr, T.R., 2000, Geologic map of the Waterman Peak 7.5' quadrangle and northern La Tortuga Butte 7.5' quadrangle, Pima County, Arizona: Arizona Geological Survey Digital Geologic Map Series DGM-02, 1 CD-ROM (30 p., 1 sheet, scale 1:24,000).
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Map, Digital, Bedrock, Surficial, Isotope Geochemistry, Geochemical Survey, Volcanology, Structure, Correlation, trachyte of Nessie's Hill - Oligocene or Miocene, trachyte of El Cerrito de Represso, felsite of El Cerrito de Gallinas, felsite of Dos Titos, tuff of Sharp Peak - Cretaceous, [Confidence Peak tuff][tuff of Confidence Peak], unit of Tunnel Well - Cretaceous or Jurassic, tuff of San Pedro, Rainvalley Fm - Naco Group - Permian, Concha Limestone, Scherrer Fm, Colina Limestone, Earp Fm - Naco Group - Pennsylvanian/Permian, [Horquilla Fm][Horquilla Limestone], [Escabrosa Limestone][Escabrosa Group] - Mississippian, [Martin Fm][Martin Limestone](Martin Group) - Devonian, [Abrigo Fm][Abrigo Limestone] - Cambrian, Bolsa Quartzite, [Sierra Ancha diabase][Apache diabase][Mescal diabase] - Middle Proterozoic,