Research Catalog

  • Water resources of the Humacao-Naguabo area, eastern Puerto Rico / by Robert P. Graves ; prepared in cooperation with Puerto Rico Industrial Development Company.

    • Text
    • San Juan, P.R. : Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : U.S. Geological Survey, Books and Open-File Reports [distributor], 1989.
    • 1989

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