Gold and silver mining in Sonora, Mexico [microform] : proposed purchase of the San Juan del Rio mines and lands belonging to the Cincinnati and Sonora Mining Association.
Cincinnati and Sonora Mining Association.
Cincinnati [Ohio] : Wrightson & Co., Printers,
1867.
Sabin 27707
Subscription paper -- Circular -- Letters and correspondence.
Microfiche.
Gold mines and mining
Silver mines and mining