Thorud, D.B., and Ffolliott, P.F., 1972, The Labor Day storm of 1970 in Arizona, in Western Snow Conference, 40th Annual Meeting, Proceedings: Western Snow Conference, p. 37-42.
Hardscrabble Mesa area
Barr, G.W., 1956, Recovering rainfall, more water for irrigation, Parts I and II: Tucson, Arizona Watershed Program, 218 p. [available for inspection at Tucson, University of Arizona Library, Special Collections].
Cluff, C.B., 1961, Seasonal streamflow forecasting for central highlands, Arizona: Tucson, University of Arizona, M.S. thesis, 217 p., 1 sheet, scale 1:1,000,000.
Parker, C.F., 1949, The Verde River, Part II: Arizona Highways, v. 25, no. 11, p. 10-15.
Parker, C.F., 1949, The Verde River, Part I: Arizona Highways, v. 25, no. 10, p. 16-25.
Ferguson, Morris and Associates, Inc., 1975, A wastewater facilities plan for the Verde River Basin, Arizona, prepared for the Arizona Department of Health Services, Bureau of Water Quality Control: Scottsdale, Ariz., Ferguson, Morris and Associates, Inc.,  p.
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.
Anderson, T.W., 1976, Evapotranspiration losses from flood-plain areas in central Arizona: U.S. Geological Survey Open-File Report 76-0864, 91 p.
Ffolliott, P.F., and Thorud, D.B., 1974, A technique to evaluate snowpack profiles in and adjacent to forest openings, in Boster, R.S., ed., Hydrology and water resources in Arizona and the Southwest, V. 4: American Water Resources Association, Arizona Section, and Arizona Academy of Science, Hydrology Section, Annual Meeting, Flagstaff, Ariz., 1974, Proceedings, p. 10-17.
Thorud, D.B., and Ffolliott, P.F., 1972, Development of management guidelines for increasing snowpack water yields from ponderosa pine forests in Arizona, in Csallany, S.C., McLaughlin, T.G., and Striffler, W.D., eds., Watersheds in Transition, Proceedings of a symposium..., Fort Collins, Colorado, June 19-22, 1972: Urbana, Ill., American Water Resources Association, Proceedings Series no. 14, p. 171-174.