TY - RPRT TI - Geologic map of the Lead Mountain 15’ quadrangle, San Bernardino County, California AU - Keith A. Howard AU - Keith J. Jagiello AU - Todd T. Fitzgibbon AU - Barbara E. John PY - 2013 DO - 10.3133/gq1766 UR - https://pubs.usgs.gov/publication/gq1766 ID - gq1766 ER -