TY - RPRT TI - Analytical results and sample locality map of heavy-mineral-concentrate and rock samples from the Providence Mountains Wilderness Study Area (CDCA-263), San Bernardino County, California AU - P. F. Folger AU - D.E. Detra AU - R.J. Goldfarb AU - J.G. Crock AU - Paul H. Briggs AU - L. A. Bradley PY - 1986 DO - 10.3133/ofr86512 UR - https://pubs.usgs.gov/publication/ofr86512 ID - ofr86512 ER -