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 TIIE AMERICAN INSTITUTE OF MINING ENGINEERS; ETC., ETC. NEW YORK : 1873. TNB Entered according to Act of Congress, in the year 1873, BY J. B. FORD AND COMPANY, in the Ollice of the Librarian of Congress, at Washington. UNIVERSITY PRESS: Welch, BIGELOW, & Co. CAMBRIDGE. CONTENTS. Page. Part I.-Condition of the mining industry: Part II. Metallurgical processes : Chapter X. The smelting of argentiferous lead ores in Nevada, Utah, and 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 Cbili...... XVI. The metallurgical value of the lignites of the West. XVII. The metallurgy of native sulphur.... XIX. American schools of mining and metallurgy. XXII. Wire rope transportation. |
