National Park Service, Indigenous Mining
www.nps.gov
Inspect source provenance and supporting or contrary evidence.
Inspect the sources, claims, contrary evidence, and revisions behind a conclusion.www.nps.gov
www.geolsoc.org.uk
www.ces.fau.edu
www.brown.edu
www.ncei.noaa.gov
www.ncei.noaa.gov
www.usgs.gov
www.dainst.blog
www.grotte-cosquer.com
archeologie.culture.gouv.fr
archaeology.co.uk
maritimearchaeologytrust.org