Second Geological Survey of Pennsylvania, anthracite district, Panther...
Public domain scan of a architecture diagram, settlement map, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Second Geological Survey of Pennsylvania, anthracite district, C[arbon...
Public domain scan of a architecture diagram, settlement map, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Second Geological Survey of Pennsylvania, anthracite district, Panther...
Public domain scan of a plan, map, architecture drawing, or diagram, free to use, no copyright restrictions - Picryl description.
Second Geological Survey of Pennsylvania, anthracite district, Panther...
Public domain scan of a plan, map, architecture drawing, or diagram, free to use, no copyright restrictions - Picryl description.
Second Geological Survey of Pennsylvania, anthracite district, C[arbon...
Public domain scan of a architecture diagram, settlement map, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Second Geological Survey of Pennsylvania, anthracite district, Panther...
Public domain scan of a plan, map, architecture drawing, or diagram, free to use, no copyright restrictions - Picryl description.
Second Geological Survey of Pennsylvania, anthracite district, Panther...
Public domain scan of a plan, map, architecture drawing, or diagram, free to use, no copyright restrictions - Picryl description.
Second Geological Survey of Pennsylvania, anthracite district, C[arbon...
Public domain scan of a architecture diagram, settlement map, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Second Geological Survey of Pennsylvania, anthracite district, Panther...
Public domain scan of a plan, map, architecture drawing, or diagram, free to use, no copyright restrictions - Picryl description.