U.S. Geological Survey, 1977, Land use and land cover and associated maps for Ajo, Arizona: U.S. Geological Survey Open-File Report 77-0149, 5 sheets, scale 1:250,000.
U.S. Geological Survey, 1977, Land use and land cover and associated maps for Ajo, Arizona: U.S. Geological Survey Open-File Report 77-0149, 5 sheets, scale 1:250,000.
Land-use Planning, Law, Water Resources, Groundwater, Hydrology,