Edited sentence: Corby, Grant White (1922).Eugene; Behl, Richard J (2008).Fritsche, A.Geology of Orange County, California and the Irvine Ranch National Natural Landmark.ISBN 1-878861-99-9.Pacific Section, SEPM - The Society for Sedimentary Geology.Stanford University.The geology and paleontology of the San Joaquin and Niguel Hills, Orange County, California