1. Stratigraphic nomenclature of Cambrian and Lower Ordovician rocks of eastern-most southern Arizona and adjacent western-most New Mexico Author/Creator: Hayes, Philip T. 1923- (Philip Thayer) Publication/Creation: Washington : U.S. Govt. Print. Off, 1972 Resource Type: Book Access & Availability: Loading
2. Lower Mesozoic extrusive rocks in southeastern Arizona : the Canelo Hills Volcanics Author/Creator: Hayes, Philip T. 1923- (Philip Thayer) Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1965 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1193-1194. Access & Availability: Loading