. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. 12 Bulletin So. Calif. Academy Sciences / Vol. 62, Pt. 1, ip6^. Figure 2. Approximate location of beach lines west of El Centro, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Southern California Academy of Sciences. Los Angeles, Calif. : The Academy

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