Lane, M.E., 1981, Mines, prospects and mineralized areas of the Rincon wilderness study area, Pima County, Arizona, in Thorman, C.H., Drewes, H.D., and Lane, M.E., Mineral resources of the Rincon wilderness study area, Pima County, Arizona: U.S. Geological Survey Bulletin 1500, p. 39-62, 1 sheet, scale 1:48,000.