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Ferguson, C.A., Gilbert, W.G., Skotnicki, S.J., Wrucke, C.T., and Conway, C.M., 1999, Geologic map of the Horseshoe Dam 7.5' quadrangle, Maricopa County, Arizona: Arizona Geological Survey Open-File Report 99-15, 11 p., 1 sheet, scale 1:24,000.
Gilbert, W.G., Ferguson, C.A., and Leighty, R.S., 1998, Geologic map of the Humboldt Mountain 7.5' quadrangle, Maricopa County, Arizona: Arizona Geological Survey Open-File Report 98-11, 17 p., 3 sheets, scale 1:24,000.
Pearthree, P.A., Skotnicki, S.J., and Demsey, K.A., 1997, Surficial geologic map of the Theodore Roosevelt Lake 30' x 60' Quadrangle, Arizona: Arizona Geological Survey Open-File Report 97-17, 1 sheet, scale 1:100,000.
U.S. Army Corps of Engineers, Los Angeles District, 1979, Flood damage report 28 February-6 March 1978 on the storm and floods in Maricopa County, Arizona: Los Angeles, U.S. Army Corps of Engineers, 75 p.
Thiele, H.J., 1965, Present and future water use and its effect on planning in Maricopa County, Arizona: Phoenix, Ariz., Maricopa County Planning and Zoning Commission-Department, 60 p. [available for inspection at Tucson, University of Arizona Library, Special Collections].
Zimmerman, A.L., 1971, Arizona floods of September 5 and 6, 1970: U.S. Department of Commerce, National Oceanic and Atmospheric Administration Natural Disaster Survey Report 70-2, 39 p.