Of course these profits will be greatly increased when the
company is in a position to smelt its ores at the mine. The
Sonora Exploring and Mining Company was organized in 1856, with a
capital of two million dollars ($2,000,000). Its principal office
is in Cincinnati, Ohio, and its seat of operations at Tubac, in
the Santa Cruz valley. This company is managed in its mining
operations by Chas. D. Poston, Esq., a gentleman of much
experience on the Pacific coast, and of great energy of
character.
The Rancho of Arivaca, containing several valuable silver mines,
and seventeen thousand acres of valuable land, has been purchased
by this company. It has also acquired the titles to a number of other valuable mines of galena ore, and copper containing silver
and gold. Hitherto, the exertions of the company have been
directed principally to explorations and cleaning out the old
mines, but they have at present above ground, ready for smelting,
several thousand dollars worth of their ores. Prof. Booth, U. S.
Assayer, as well as other distinguished authorities, have, after
thorough experiment, given to the company certificates of the
great richness of the ores already shipped to the east. The
annual report of the Sonora Mining Co. is full of interest to the
general reader. The Sopori mine is another very valuable
property.
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