A preliminary report on the geology and gold deposits of the Rochford District, Black Hills, South Dakota
A preliminary report on the geology and gold deposits of the Rochford District, Black Hills, South Dakota by Bayley, Richard W. (1972). Full text and…
Public-domain full text preserved in the Mountain Man Mining Library. Original source: pubs.usgs.gov.
A preliminary report on the geology and gold deposits of the Rochford District, Black Hills, South Dakota Author: Bayley, Richard W. Year: 1972 Category: Report Tags: usgs, Black Hills South Dakota gold Source: https://pubs.usgs.gov/bul/1332a/plate-1.pdf