TY - RPRT TI - Mineral resources of the Indian Pass and Picacho Peak Wilderness Study Areas, Imperial County, California AU - David B. Smith AU - B. R. Berger AU - R. M. Tosdal AU - D. R. Sherrod AU - G. L. Raines AU - Andrew Griscom AU - M.G. Helferty AU - Clayton M. Rumsey AU - A. B. McMahan PY - 1987 DO - 10.3133/b1711a UR - https://pubs.usgs.gov/publication/b1711A ID - b1711A ER -