Showing 1 - 9 results of 9 for search 'The Survey :', query time: 0.22s Refine Results
  1. 1
    Geologic map of the Wind Gap quadrangle, Northampton and Monroe counties, Pennsylvania /
    Published 1990
    “...The Survey ;...”
    Government Document Map
  2. 2
    Geologic map of the Saylorsburg quadrangle, Monroe and Northampton counties, Pennsylvania /
    Published 1990
    “...The Survey ;...”
    Government Document Map
  3. 3
    Geologic map of the Allentown East quadrangle, Lehigh, Northhampton, and Bucks counties, Pennsylvania /
    Published 1999
    “...The Survey ;...”
    Government Document Map
  4. 4
    Geology and mineral resources of the Lehighton and Palmerton quadrangles : Carbon and Northampton Counties, Pennsylvania /
    by Epstein, Jack Burton, 1935-
    Published 1974
    “...Pennsylvania Geological Survey,...”
    Book
  5. 5
    Geologic map and sections of parts of the Portland and Belvidere quadrangles, New Jersey-Pennsylvania /
    by Drake, Avery Ala, 1927-
    Published 1969
    “...U.S. Geological Survey,...”
    Government Document Map
  6. 6
    Slate in Northampton County, Pennsylvania /
    by Behre, Chas. H. (Charles H.)
    Published 1927
    “...Pennsylvania Topographic and Geologic Survey,...”
    Book
  7. 7
    Hydrology of the Martinsburg Formation in Lehigh and Northampton Counties, Pennsylvania /
    by Poth, Charles W.
    Published 1972
    “...[Bureau of Topographic and Geologic Survey],...”
    Book
  8. 8
    Geologic map of the Catasauqua quadrangle, Northampton and Lehigh counties, Pennsylvania /
    by Drake, Avery Ala, 1927-
    Published 1996
    “...U.S. Dept. of the Interior, U.S. Geological Survey,...”
    Government Document Microform Book
  9. 9
    Northampton County, Pennsylvania ; geology and geography /
    “...Department of Internal Affairs, Topographic and Geologic Survey,...”
    Book
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