U.S. Geological Survey, 1980, Composite aeromagnetic map of the Papago area, Arizona: U.S. Geological Survey Open-File Report 80-0056, 1 sheet, scale 1:125,000.
U.S. Geological Survey, 1980, Composite aeromagnetic map of the Papago area, Arizona: U.S. Geological Survey Open-File Report 80-0056, 1 sheet, scale 1:125,000.
Magnetic Survey,