TY - RPRT TI - Regional geochemical studies in the Patagonia Mountains, Santa Cruz County, Arizona AU - M.A. Chaffee AU - R. H. Hill AU - S. J. Sutley AU - J.R. Watterson PY - 1981 DO - 10.1016/0375-6742(81)90109-6 UR - https://pubs.usgs.gov/publication/70011767 ID - 70011767 ER -