TY - RPRT TI - Preliminary map showing surficial materials of the Ventura-Oxnard Plain area, California AU - Gail McCoy AU - Andrei M. Sarna-Wojcicki PY - 1978 DO - 10.3133/ofr781065 UR - https://pubs.usgs.gov/publication/ofr781065 ID - ofr781065 ER -