Copper in the Cerro de Pasco and Morococha districts, Department of Junin, Peru
By: By D.H. McLaughlin, L.C. Graton, and others
Published: 1933
Place of publication: Washington?
Language: eng
Number of pages: 32
Notes: Cover serves as title-page.

"From 'Copper resources of the world', XVI International Geological Congress, Washington, 1933."