Maps showing ground-water conditions in the San Bernardino Valley area, Cochise County, Arizona -- 1975

Arizona is divided into 67 ground-water areas, and individual areas are selected for intensive data collection once every 6 years. The data collected in the San Bernardino Valley area are given on maps that show depth to water, well depth, and altitude of the water level; and dissolved-solids and fluoride concentrations, 1974. Scale 1:125,000. (Woodard-USGS)