TY - RPRT TI - Notes on water-quality reconnaissance of Pine Mountain Area, Sespe Creek Basin, Ventura County, California AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1973 DO - 10.3133/ofr73347 UR - https://pubs.usgs.gov/publication/ofr73347 ID - ofr73347 ER -