Department of Hydrology and Water Resources, University of Arizona, PO Box 210011, Tucson, AZ 85721 United States
Department of Hydrology and Water Resources, University of Arizona, PO Box 210011, Tucson, AZ 85721 United States ; U.S. Geological Survey, 520 N. Park Ave, Tucson, AZ 85719 United States
Department of Hydrology and Water Resources, University of Arizona, PO Box 210011, Tucson, AZ 85721 United States