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.
Topographical map in ten-foot contour curves of the Panther Creek Coal...
Public domain scan of a architecture diagram, settlement map, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Topographical map in ten-foot contour curves of the Panther Creek Coal...
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, 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.
Topographical map in ten-foot contour curves of the Panther Creek Coal...
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 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.
Map of the mines of the Panther Creek Basin in the Southern Anthracite...
Public domain scan of a plan, map, diagram, free to use, no copyright restrictions - Picryl description.
[S]econd Geolo[gical Survey of Pennsylvania ...?]
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.