Metz, R.A., 1963, The petrography of the Pantano Beds in the Cienega Gap area, Pima County, Arizona: Tucson, University of Arizona, M.S. thesis, 66 p.
Metz, R.A.
Tucson, University of Arizona, M.S. thesis, 66 p.
Mineral District, Sedimentary Petrology, Fanglomerate, Pantano Fm(Pantano beds) - Miocene/Oligocene - Whitetail assemblage,