Geology and Ore Deposits of the United States — USGS Bulletin 1666
USGS Bulletin synthesizing geology and ore deposits across the United States — regional context for understanding the distribution of major mineral districts.
Public-domain full text preserved in the Mountain Man Mining Library. Original source: pubs.usgs.gov.
Geology and Ore Deposits of the United States — USGS Bulletin 1666 Author: USGS Year: 1986 Category: Federal Report USGS Bulletin synthesizing geology and ore deposits across the United States — regional context for understanding the distribution of major mineral districts. Tags: regional, ore deposits, synthesis, US, B-1666 Source: ://pubs.usgs.gov/bul/b1666/b1666.pdf