TY - RPRT TI - Mineral resource potential maps of the Sill Hill, Hauser, and Caliente Roadless Areas, San Diego County, California AU - V. R. Todd AU - R. E. Learned AU - T. J. Peters AU - R. T. Mayerle PY - 1983 DO - 10.3133/mf1547a UR - https://pubs.usgs.gov/publication/mf1547A ID - mf1547A ER -