Copper resources in secondary enrichment blankets at Tanama , Puerto Rico
By: by Dennis P. Cox.
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 92-578.; U.S. Geological Survey open-file report -- 92-578.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Books and Open-File Reports Section, distributor]
Published: 1992
Place of publication: [Menlo Park, Calif.]; [Denver, Colo
Language: eng
Format: Microform
Subjects: Copper ores -- Puerto Rico.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 93-0957-M.

Includes bibliographical references (leaf 5).

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1993] 2 microfiches : negative.