USGS Contributions to Economic Geology — Bulletin 260 (1904)
Annual series of economic geology studies — new mine discoveries, ore deposit descriptions, and mineral surveys across the US. Part of the long-running…
Public-domain full text preserved in the Mountain Man Mining Library. Original source: pubs.usgs.gov.
USGS Contributions to Economic Geology — Bulletin 260 (1904) Author: USGS Year: 1905 Category: Federal Report Annual series of economic geology studies — new mine discoveries, ore deposit descriptions, and mineral surveys across the US. Part of the long-running Bulletin series. Tags: economic geology, deposits, annual survey, minerals, bulletins Source: ://pubs.usgs.gov/publication/b260