Resnick, S.D., and DeCook, K.J., 1975, Brackish water as a factor in development of the Safford Valley, Arizona, U.S.A., in International Symposium on Brackish Water as a Factor in Development, January 5-10, 1975: Beersheva, Israel, Ben-Gurion University of the Negev, Institute for Desert Research, p. 41-50.