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Person: R. Arnold
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R. Arnold (Ralph)
Series volumes
Arnold, R., 1903.
The Paleontology and Stratigraphy of the Marine Pliocene and Pleistocene of San Pedro, California.
Mem. Calif. Acad. Sci.
3
, 27 Jun 1903: 1-420.
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Last updated:
21 Sep 2025