Stevens County Copper King mine 1909 pictures
http://libraryphoto.cr.usgs.gov/cgi-bin/show_picture.cgi?ID=ID.%20Bancroft,%20H.%20%2074
http://libraryphoto.cr.usgs.gov/cgi-bin/show_picture.cgi?ID=ID.%20Bancroft,%20H.%20%2077