Showing 1 - 2 results of 2 for search 'U.S. Geological Survey,', query time: 0.29s Refine Results
  1. 1
    Appalachian Basin Symposium program and extended abstracts /
    Published 1989
    “...Dept. of the Interior, U.S. Geological Survey,...”
    Government Document Conference Proceeding Book
  2. 2
    Appalachian Basin Symposium : program and extended abstracts /
    Published 1988
    “...Dept. of the Interior, U.S. Geological Survey :...”
    Government Document Conference Proceeding Microform Book
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