Peterson, D.W., 1966, The geology of Picketpost Mountain, northeast Pinal County, Arizona: Arizona Geological Society Digest, v. 8, p. 159-176.
Peterson, D.W.
Arizona Geological Society Digest, v. 8, p. 159-176.
Areal, Structure, Stratigraphy, Volcanic, (Heliograph fm)Picketpost Mtn. dacite - Miocene,