TY - RPRT TI - Chemical analyses and statistical summaries for samples of rock, minus-60-mesh (0.25mm) stream sediment, and nonmagnetic heavy-mineral concentrate, Winchester Roadless Area, Cochise County, Arizona AU - S. J. Sutley AU - M.A. Chaffee AU - D.L. Fey AU - R. H. Hill PY - 1983 DO - 10.3133/ofr83648 UR - https://pubs.usgs.gov/publication/ofr83648 ID - ofr83648 ER -