Camelsback quadrangle, Arizona (Maricopa County), 1906---(U.S. Geological Survey, Charles D. Walcott, Director ; E.M. Douglas Geographer ; T.M. Bannon, in charge of section ; Topography by T.M. Bannon, C.H. Birdseye, S.S. Stahl and Reclamation Service ; Triangulation by A.H. Thompson and T.M.Bannon)