Geologic map of the San Bernardino and Santa Ana 30' x 60' quadrangles, California By Douglas M. Morton 1. and Fred K. Miller. 2 . Digital preparation by. Pamela M. Cossette. 2, and. Kelly R. Bovard. 1 . Geology and Description of Map Units, version . Not illustrated. Photo links are accessable only if photo version of this document is used.