TY - RPRT TI - Aeromagnetic map of the Kramer area, Kern, San Bernardino, and Los Angeles Counties, California AU - Frank C. Frischknecht AU - F.A. Petrafeso PY - 1964 DO - 10.3133/ofr6456 UR - https://pubs.usgs.gov/publication/ofr6456 ID - ofr6456 ER -