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  1. By: Emerson, William K. - Puffer, Elton Linwood. - E.W. Scripps (Ship) - Geological Society of America. - Scripps Institution of Oceanography.
    Publication info: New York, N.Y, American Museum of Natural History, [1957]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.4(72.2)  California, Gulf of  Catalogs and collections  Classification  Holocene  Mexico  Mollusks  Mollusks, Fossil  Paleontology  
  2. By: Jacobson, Morris K. - Zweifel, Richard George, - Emerson, William K. - Puritan-American Museum Of Natural History Expedition To Western Mexico
    Publication info: New York, N.Y American Museum of Natural History [1958]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.4(72.2)  Baja California (Peninsula)  California, Gulf of  Classification  Mexico  Mollusks  Pacific coast  Shells  Snails