Mineral resource potential of the NB-20-4 Quadrangle, Eastern Guayana Shield, Bolívar State, Venezuela
By: by Jeffrey C. Wynn and Gary B. Sidder.
Contributors: Sidder, Gary B.
Series: U.S. Geological Survey bulletin ;; 1960
Publisher: U.S. G.P.O.
Published: 1991
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Mines and mineral resources -- Venezuela -- Bolívar (State); Geology -- Venezuela -- Bolívar (State)
Other titles: Guayana Shield, Bolívar State, Venezuela.
Notes: Includes bibliographical references.
2 maps in pocket.