THE

MINING MAGAZINE:

DEVOTED TO

Mines, Mining Operations, Metallurgy, Ec., &c.

EDITED AND CONDUCTED BY

WILLIAM J. TENNEY,

VOLUME SEVEN.

FROM JULY TO DECEMBER, 1856.

New York:

PUBLISHED AT 379 BROADWAY.

John F. Trow, Printer, 377 & 379 Broadway.

c 1856.