Base-metal deposits of the Cordillera Negra, Departamento de Ancash, Peru
By: by Alfred J.Bodenlos and John A.Straczek.
Contributors: Straczek, John A.; United States. Geological Survey.
Series: Geological Survey Bulletin -- 1040
Publisher: U.S.Government Printing Office
Published: 1957
Place of publication: Washington
Language: eng
Notes: 9 maps in pocket at back.