Lindsay, E.H., Smith, G.A., and Haynes, C.V., 1990, Late Cenozoic depositional history and geoarcheology, San Pedro Valley, Arizona, in Gehrels, G.E., and Spencer, J.E., eds., Geologic excursions through the Sonoran Desert Region, Arizona and Sonora, Geological Society of America, Cordilleran section, 86th Annual Meeting, Tucson Ariz., March 14-16, 1990, Field-Trip Guidebook: Arizona Geological Survey Special Paper 7, p. 9-19.
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Road Log, Stratigraphy, Paleomagnetism, Correlation, Vertebrate, Locale, Archaeology, Teviston fm, (Horsethief fm)Teviston fm, Escapule Ranch fm(Escapule fm), (Bakarich Mbr - Escapule fm)[McCool Ranch mbr - Escapule Ranch fm], (McCool mbr - Escapule fm)[Hargis Ranch mbr - Escapule Ranch fm], (Fry mbr - Escapule fm)[Hargis Ranch mbr/Weik Ranch mbr - Escapule Ranch fm], McCool Ranch mbr, Hargis Ranch mbr, [Weik Ranch mbr - Escapule Ranch fm](Weik mbr)(Weik alluvium)(Wiek mbr - Lehner fm) - Holocene, Lehner Ranch fm(Lehner fm) - Holocene/Pleistocene, [Donnet Ranch mbr - Lehner Ranch fm](Donnet mbr - Lehner fm)(Donnet silt), [Clanton Ranch mbr][Clanton Ranch mudstone mbr](Clanton mbr)(Clanton clay) - Lehner Ranch fm, [Graveyard Gulch mbr - Lehner Ranch fm](Graveyard sand)(Graveyard mbr - Lehner fm), Murray Springs fm - Pleistocene, (Boquillas Fm)Murray Springs fm, Coro marl mbr, [Moson Ranch mbr][Moson mbr][Moson sand mbr], [Sobaipuri mbr][Sobaipuri mudstone mbr], Millville fm, [Nexpa fm][Nexpa gravels], St. David fm(fm of St. David area) - Pliocene/Pleistocene - Gila assemblage,