Dempsey, W.J., Fackler, W.D., and others, 1963, Aeromagnetic map of the Cochise quadrangle, Cochise County, Arizona: U.S. Geological Survey Geophysical Investigations Map GP-0413, 1 sheet, scale 1:62,500. Authors Dempsey, W.J., Fackler, W.D., and others Publication Date 1963 Citation U.S. Geological Survey Geophysical Investigations Map GP-0413, 1 sheet, scale 1:62,500. State AZ Province BR County CH Placenames Red Bird Hills Gunnison Hills Dragoon Mts. Willcox Playa Basins Willcox Watersheds Willcox Playa Keywords Magnetic Survey Geophysical Survey More Keywords Magnetic Survey, Geophysical Survey, AzGeoBib RefNum 23189