Sand-sized heavy-mineral distributions in the Rio Cibuco system and adjacent rivers of north-central Puerto Rico
By: by Gretchen Luepke and Lawrence J. Poppe
Contributors: Poppe, Lawrence J; Geological Survey (U.S.)
Series: Open-file report -- 92-703; U.S. Geological Survey open-file report -- 92-703
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Books and Open-File Reports Section, distributor]
Published: 1993
Place of publication: [Menlo Park, Calif.]; [Denver, Colo
Language: eng
Format: Microform
Number of pages: 28
Subjects: Heavy minerals -- Puerto Rico; Mines and mineral resources -- Puerto Rico
Other titles: Sand sized heavy mineral distributions in the Rio Cibuco system and adjacent rivers of north-central Puerto Rico
Notes: Distributed to depository libraries in microfiche

Shipping list no.: 93-1136-M

Includes bibliographical references (p. 7)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1993] 1 microfiche : negative