A geochemical reconnaissance of the Utuado batholith and vicinity, Puerto Rico
By: by Robert E. Learned, Thomas H. Hickey, and Ileana Perez de Gonzalez
Contributors: Hickey, Thomas H; Perez de Gonzalez, Ileana; Geological Survey (U.S.)
Series: Open-file report -- 81-1131; Open-file report (Geological Survey (U.S.)) -- 81-1131
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1981
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Geochemistry -- Puerto Rico; Mines and mineral resources -- Puerto Rico
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981]. 7 microfiches ; 11 x 15 cm

Bibliography: leaves 3-4