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1Published 1986“...U.S. Geological Survey open-file report ;...”
Government Document Microform Book -
2by Locke, Glenn L.“...U.S. Geological Survey open-file report ;...”
Published 1991
Government Document Microform Book -
3by Coplin, L. S.“...U.S. Geological Survey open-file report ;...”
Published 1998
Government Document Map