Geologic map of Quaternary and upper Tertiary alluvium in the Phoenix North 30' x 60' quadrangle, Arizona (revised August 1990)
Demsey, K.A., 1988, Geologic map of Quaternary and upper Tertiary alluvium in the Phoenix North 30' x 60' quadrangle, Arizona (revised August 1990): Arizona Geological Survey Open-File Report 88-17, 1 sheet, scale 1:100,000.