Pouring copper into molds, Calumet, Mich.
Public domain photograph of industrial architecture, factory building - Picryl description
Filters used in the alberger process of salt manufacture, St. Clair, M...
Public domain photograph of 19th-century stereoscopic card, Michigan - Picryl description
Salt well, St. Clair, Michigan, Stereoscope Card
Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.
Harvesting celery near Kalamazoo, Michigan, Stereoscope Card
reverse side of stereoscopic card
Employees leaving Ford Motor Company factory, Detroit, Michigan
Picryl description: Public domain image of a historic building in Detroit, Michigan, free to use, no copyright restrictions.
Automotive manufacture, Michigan, Stereoscope Card.19th century. Bost...
Picryl description: Public domain image of a historic building in Detroit, Michigan, free to use, no copyright restrictions.
The vacuum pan process of refining salt, St. Clair, Michigan
Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.
Loading copper on a boat, Houghton, Mich.
Public domain photograph related to Boston, Massachusetts - Picryl description
Harvesting celery near Kalamazoo, Michigan, Stereoscope Card
reverse side of stereoscopic card
Packing salt in barrels, St. Clair, Mich.
Public domain photograph related to Boston, Massachusetts - Picryl description
Harvesting celery near Kalamazoo, Michigan, Stereoscope Card
Picryl description: Public domain photograph of farming, farmer, agriculture, 20th-century, free to use, no copyright restrictions.
Harvesting celery near Kalamazoo, Michigan, Stereoscope Card
Public domain photograph of 19th-century stereoscopic card, Michigan - Picryl description
The vacuum pan process of refining salt, St. Clair, Michigan
reverse side of stereoscopic card
Grainer system of refining salt, St. Clair, Michigan
Public domain photograph of vintage stereoscopic card - Picryl description
Packing salt in barrels, St. Clair, Mich.
reverse side of stereoscopic card
Loading copper on a boat, Houghton, Mich.
reverse side of stereoscopic card Public domain photograph - ship, port, harbor - Picryl description
Filters used in the alberger process of salt manufacture, St. Clair, M...
reverse side of stereoscopic card
Salt well, St. Clair, Michigan, Stereoscope Card
reverse side of stereoscopic card A newspaper with text on it. A newspaper article about salt. Public domain postcard scan.
Automotive manufacture, Michigan, Stereoscope Card.19th century. Bost...
Picryl description: Public domain image of a factory, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.
Pouring copper into molds, Calumet, Mich.
reverse side of stereoscopic card
Grainer system of refining salt, St. Clair, Michigan
reverse side of stereoscopic card Public domain photograph - ship, port, harbor - Picryl description
Employees leaving Ford Motor Company factory, Detroit, Michigan
Public domain photograph of factory building - Picryl description