Reports on the properties of Pinguico Mines Company in Guanajuato, Mexico, covering the geological, metallurgical, mining and milling features of these properties
By: by ... Robt. T. Hill ... E.A. Wiltsee ... John A. Church ... A.B. Carpenter ... J.B. Empson ... Geo. W. Bryant ...
Publisher: The Securities Corporation, Ltd.
Published: 1906
Place of publication: New York
Language: eng
Number of pages: 52