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Showing 1 - 2 results of 2 for search 'Bureau of Topographic and Geologic Survey,', query time: 0.26s Refine Results
  1. 1
    Pleistocene geology and unconsolidated deposits of the Delaware Valley : Matamoras to Shawnee on Delaware, Pennsylvania /
    by Crowl, G. H.
    Published 1971
    “...[Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey],...”
    Book
  2. 2
    Glacial border deposits of late Wisconsinan age in northeastern Pennsylvania /
    by Crowl, G. H.
    Published 1980
    “...Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic...”
    Book
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