Geology of the Venezuelan Guayana Shield at 1:500,000 scale
Subtitle: a digital representation of maps published by the U.S. Geological Survey
By: by Paul G. Schruben.
Contributors: Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- Open-file report 95-493.; U.S. Geological Survey open-file report -- 95-493.
Publisher: U.S. Geological Survey
Published: 1995
Place of publication: Reston, VA
Language: eng
Number of pages: 11
Subjects: Geology -- Venezuela -- Guayana Region; Shields (Geology) -- Venezuela -- Guayana Region; Guayana Region (Venezuela)
Notes: Cover title.

"June 1, 1995"

Includes bibliographical references (leaves 9-11).