TY - RPRT TI - Mineral resources of the Needles Eye Wilderness Study Area, Gila County, Arizona AU - Frank S. Simons AU - P. K. Theobald AU - R.R. Tidball AU - J. A. Erdman AU - T. F. Harms AU - Andrew Griscom AU - G. S. Ryan PY - 1987 DO - 10.3133/b1703b UR - https://pubs.usgs.gov/publication/b1703B ID - b1703B ER -