Add to ORKGBureau workmen scraping bearing surfaceshttps://digitalcommons.cwu.edu/rufus_woods/1170/thumbnail.jp
Machinery excavates Feeder Canal as workers erect forms for concrete pouringhttps://digitalcommons.c...
Black and White 8x10 Acetate Negativehttps://digitalmaine.com/arc_george_french_photos_af/1244/thumb...
Men working at a Wharf possibly repairing gearhttps://digitalmaine.com/dmr_images/3338/thumbnail.jp
Bureau workmen scraping bearing surfaceshttps://digitalcommons.cwu.edu/rufus_woods/1170/thumbnail.jp
Farm Laborers picking cottonhttps://scholarsjunction.msstate.edu/ua-photo-collection/9971/thumbnail....
Bureau of Reclamation rigger sits on end of scroll case to give instructions for proper placementhtt...
Grinding Department - Vickershttps://scholarsjunction.msstate.edu/mss-general-photograph/1189/thumbn...
Military mechanics working on the propeller of a plane on Hawaiihttps://nsuworks.nova.edu/nasfl/1389...
Hay baling crew working hay baler.https://digitalcommons.cwu.edu/thorp_mill/1445/thumbnail.jp
Machinery excavates Feeder Canal as workers erect forms for concrete pouringhttps://digitalcommons.c...
Black and White 8x10 Acetate Negativehttps://digitalmaine.com/arc_george_french_photos_af/1244/thumb...
Men working at a Wharf possibly repairing gearhttps://digitalmaine.com/dmr_images/3338/thumbnail.jp
Bureau workmen scraping bearing surfaceshttps://digitalcommons.cwu.edu/rufus_woods/1170/thumbnail.jp
Farm Laborers picking cottonhttps://scholarsjunction.msstate.edu/ua-photo-collection/9971/thumbnail....
Bureau of Reclamation rigger sits on end of scroll case to give instructions for proper placementhtt...
Grinding Department - Vickershttps://scholarsjunction.msstate.edu/mss-general-photograph/1189/thumbn...
Military mechanics working on the propeller of a plane on Hawaiihttps://nsuworks.nova.edu/nasfl/1389...
Hay baling crew working hay baler.https://digitalcommons.cwu.edu/thorp_mill/1445/thumbnail.jp
Machinery excavates Feeder Canal as workers erect forms for concrete pouringhttps://digitalcommons.c...
Black and White 8x10 Acetate Negativehttps://digitalmaine.com/arc_george_french_photos_af/1244/thumb...
Men working at a Wharf possibly repairing gearhttps://digitalmaine.com/dmr_images/3338/thumbnail.jp