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1Published 1985“...U.S. Geological Survey :...”
Government Document Microform Map -
2Published 1989“...U.S. Geological Survey :...”
Government Document Microform Map -
3Published 1989“...U.S. Geological Survey :...”
Government Document Microform Map -
4Published 1991“...U.S. Geological Survey :...”
Government Document Microform Map -
5Published 1991“...U.S. Geological Survey :...”
Government Document Microform Map -
6by Lips, Elliott W.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1985
Government Document Microform Book -
7Published 1987“...U.S. Dept. of the Interior, Geological Survey :...”
Government Document Conference Proceeding Microform Book