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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.

BY

ROSSITER W. RAYMOND, Ph. D.,

COMMISSIONER OF MINING STATISTICS ; PRESIDENT OF THE AMERICAN INSTITUTE OF MINING ENGINEERS;
EDITOR OF THE ENGINEERING AND MINING JOURNAL ; AUTHOR OF " MINES OF THE WEST,”
“AMERICAN MINES AND MININO,” “ MINES, MILLS, AND PURNACES,"

ETC., ETC.

NEW YORK :

J. B. FORD AND COMPANY.

1873.

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.
CAM bridge.

CONTENTS.

[blocks in formation]

Montana..

XI. Economical results in the treatment of gold and silver ores by

fusion

XII. The amalgamation of gold ores

XIII. The amalgamation of silver ores in pans with the aid of chem-

icals.....

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....

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