TY - RPRT TI - A study of seawater intrusion using direct-current soundings in the southeastern part of the Oxnard Plain, California AU - Adel A. R. Zohdy AU - Peter M. Martin AU - Robert J. Bisdorf PY - 1993 DO - 10.3133/ofr93524 UR - https://pubs.usgs.gov/publication/ofr93524 ID - ofr93524 ER -