TY - RPRT TI - Geochemical studies in the Indian Pass and Picacho Peak Bureau of Land Management Wilderness study areas, imperial county, Southern California AU - D. B. Smith AU - B. R. Berger AU - R. M. Tosdal PY - 1987 DO - 10.1016/0375-6742(87)90064-1 UR - https://pubs.usgs.gov/publication/70015128 ID - 70015128 ER -