Analytical results and sample locality map of soil samples from the Río Viví porphyry copper district, Municipios of Utuado and Adjuntas, Puerto Rico / by Robert E. Learned, Herbert A. Pierce, Ileana Pérez.

Bibliographic Details
Uniform Title:	U.S. Geological Survey open-file report ; 93-178.
Main Author:	Learned, Robert Eugene
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Pierce, H. A. (Herbert A.), 1951- Perez de Gonzalez, Ileana
Language:	English
Published:	[Menlo Park, Calif.?] : [Denver, Colo.] : U.S. Department of the Interior, Geological Survey ; [Books and Open-File Reports Section, distributor], 1992.
Series:	U.S. Geological Survey open-file report ; 93-178.
Subjects:	Soil surveys > Puerto Rico. Geochemistry > Puerto Rico. Soils > Puerto Rico.
Physical Description:	38 leaves : 1 map ; 28 cm.
Format:	Government Document Microfilm Book

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