USGS Scientific Investigations Reports — Mining/Geology
USGS SIR series — peer-reviewed scientific studies on mineral deposits, geochemistry, and exploration. Full text PDFs of all reports searchable online.
Public-domain full text preserved in the Mountain Man Mining Library. Original source: pubs.usgs.gov.
USGS Scientific Investigations Reports — Mining/Geology Author: USGS Year: 2024 Category: Federal Report USGS SIR series — peer-reviewed scientific studies on mineral deposits, geochemistry, and exploration. Full text PDFs of all reports searchable online. Tags: SIR, peer reviewed, investigations, minerals, searchable Source: ://pubs.usgs.gov/browse/Report/USGS%20Numbered%20Series/Scientific%20Investigations%20Report/