Picryl description: Public domain image of a quarry, mine, excavation, or mining site, free to use, no copyright restrictions.
11671-23. Transfer from U.S. Office of War Information, 1944. General information about the FSA/OWI Color Photographs is available at http://hdl.loc.gov/loc.pnp/pp.fsac Title from FSA or OWI agency caption. Add More