TY - RPRT TI - Preliminary geologic map of the Big Bear City 7.5' Quadrangle, San Bernardino County, California AU - Fred K. Miller AU - Pamela M. Cossette PY - 2004 DO - 10.3133/ofr20041193 UR - https://pubs.usgs.gov/publication/ofr20041193 ID - ofr20041193 ER -