The gold and silver fields of Oregon and Idaho [microform] : a statement of the yield of precious metals from the great basin of the Columbia, carefully prepared from the most authentic sources /
Barnum, E. M.

1867.
Half-title; at head of title: To the financial and commercial men of our country.
Sabin 3585.
Sabin Group 20.
Microfiche.
Gold mines and mining
Silver mines and mining