Search Results - "U.S. Geological Survey open-file report ;"

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    Geologic history of Mount Hood Volcano, Oregon a field-trip guidebook by Geological Survey (U.S.)

    Published: U.S. Dept. of the Interior, U.S. Geological Survey, 1997
    Description: 38 pages : illustrations, maps ; 28 cm.
    “…U.S. Geological Survey open-file report ;…”
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    - PURL access list of USGS open-file reports by year from which a link may be made to the title desired
    Government Document Microfilm Book