Search results for: Perez de Gonzalez, Ileana

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  1. 1

    A geochemical reconnaissance of the Utuado batholith and vicinity, Puerto Rico

    Authors: Learned, Robert Eugene
    Published: U.S. Department of the Interior, Geological Survey, 1981
    Other Authors:
    Physical Description: 1 volume : 6 maps ; 28 cm.
    Government Document Microfilm Book
  2. 2

    Analytical results and sample locality map of soil samples from the Río Viví porphyry copper district, Municipios of Utuado and Adjuntas, Puerto Rico

    Authors: Learned, Robert Eugene
    Published: U.S. Department of the Interior, Geological Survey ; [Books and Open-File Reports Section, distributor], 1992
    Other Authors:
    Physical Description: 38 leaves : 1 map ; 28 cm.
    Government Document Microfilm Book
  3. 3

    Analytical results and sample locality map of soil samples from the Tanama-Helecho porphyry copper district, Municipios of Utuado and Adjuntas, Puerto Rico

    Authors: Learned, Robert Eugene
    Published: U.S. Department of the Interior, Geological Survey ; [Books and Open-File Reports Section, distributor], 1992
    Other Authors:
    Physical Description: 34 leaves : 1 map ; 28 cm.
    Government Document Microfilm Book