Wallace, D.E., and Schreiber, H.A., 1974, Time-related changes in water quality of stock tanks of southeastern Arizona, 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. 144-157.
