Search Results - "Geologic investigations series ;"

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    Historic trail map of the Trinidad 1° x 2° quadrangle, southern Colorado by Geological Survey (U.S.), Denver Public Library. Western History/Genealogy Department

    Published: U.S. Geological Survey ; Information Services [distributor], 2001
    Description: 1 map : color ; 44 x 71 cm, on sheet 101 x 142 cm, folded in envelope 30 x 24 cm + 1 pamphlet (62 pages : illustrations, maps ; 28 cm).
    “…Geologic investigations series ;…”
    PURL leads to a screen from where the map and accompanying pamphlet may be downloaded. Adobe Acrobat Reader required
    Government Document Map