TY - RPRT TI - Preliminary geologic map of the Moorpark 7.5' quadrangle, Southern California: A digital database AU - R.F. Yerkes AU - R. H. Campbell PY - 1997 DO - 10.3133/ofr97260 UR - https://pubs.usgs.gov/publication/ofr97260 ID - ofr97260 ER -