Search Results - Helley, Edward J.

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    Geologic map of late Cenozoic deposits Alameda County, California / by Helley, Edward J.

    Published 1972
    Government Document Map
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    Geological map of the Gilroy 7.5 minute quadrangle, California by Helley, Edward J.

    Published 1991
    Government Document Microfilm Book
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    Geologic map of Late Cenozoic deposits, Santa Clara County, California / by Helley, Edward J.

    Published 1971
    Government Document Map
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    Uranium-series dates on oyster shells from marine terraces of San Pablo Bay, California by Helley, Edward J.

    Published 1993
    Government Document Microfilm Book
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    Map showing evidence for recent fault activity in the vicinity of Antioch, Contra Costa County, California / by Burke, D. B.

    Published 1973
    Other Authors: “…Helley, Edward J.…”
    Government Document Map
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    Preliminary contour map showing elevation of surface of Pleistocene alluvium under Santa Clara Valley, California

    Published 1991
    Other Authors: “…Helley, Edward J.…”
    Government Document Microfilm Map
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