Present day milling plants on the Comstock lode
By: By Percy S. Gardner & Jay A. Carpenter
Contributors: Carpenter, Jay A., 1883-1965, author
Published: 1935
Place of publication: Place of publication not identified]
Language: eng
Number of pages: 25
Subjects: Gold; Milling
Notes: "Presented at regional meeting, A[merican] I[nstitute of] M[ining] E[ngineers] San Francisco, Oct. 3-4, 1935."

Reproduction of typewritten copy.