TY - RPRT TI - Mineral resources of the Cowboy Spring Wilderness Study Area, Hidalgo County, New Mexico AU - William E. Brooks AU - J.R. Hassemer AU - J. S. Duval AU - W. F. Hanna AU - D.C. Scott PY - 1989 DO - 10.3133/b1735f UR - https://pubs.usgs.gov/publication/b1735F ID - b1735F ER -