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SILVER AND GOLD:
AN ACCOUNT OF
THE MINING AND METALLURGICAL INDUSTRY
OF THE UNITED STATES,
WITH REFERENCE CHIEFLY TO THE PRECIOUS METALS.
ROSSITER W. RAYMOND, Ph. D.,
COMMISSIONER OF MINING STATISTICS ; PRESIDENT OF THE AMERICAN INSTITUTE OF MINING ENGINEERS;
NEW YORK :
J. B. FORD AND COMPANY.
Entered according to Act of Congress, in the year 1873,
BY J. B. FORD AND COMPANY, in the Office of the Librarian of Congress, at Washington.
UNIVERSITY Press: WELCH, BIGELOW, & Co.
XI. Economical results in the treatment of gold and silver ores by
XII. The amalgamation of gold ores
XIII. The amalgamation of silver ores in pans with the aid of chem-
XIV. The treatment of ores of native silver in Chibuahua..
XV. The reduction of silver ores in Chili....
XVI. The metallurgical value of the lignites of the West..
XVII. The metallurgy of native sulphur.....
PART III.- Miscellaneous :
Chapter XVIII. The mining law
XIX. American schools of mining and metallurgy.
XX. The Burleigh drill....
XXI. Stapft's continuous jig
XXII. Wire rope transportation.
XXIII. Electricity and rocks.
APPENDIX.—The bullion product, &c....