TY - RPRT TI - Aeromagnetic map of parts of the San Diego, Santa Ana, and adjacent 1° x 2° quadrangles, California AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1990 DO - 10.3133/ofr90206 UR - https://pubs.usgs.gov/publication/ofr90206 ID - ofr90206 ER -