A history of the precious metals [microform] : from the earliest periods to the present time : with directions for testing their purity and statements of their comparative value, estimated cost, and amount at different periods : together with an account of the products of various mines, a history of the Anglo-Mexican mining companies, and speculations concerning the mineral wealth of California /
Comstock, J. L.(John Lee),1789-1858.
Hartford [Conn.] : Belknap and Hamersley,
1849
Publisher's advertising: 4 p., 2nd group.
Sabin 15074
Microfiche.
Precious metals.
Gold mines and mining