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.
A series of columnar sections constructed from surface observations an...
Public domain image of the vintage map from NYPL Lionel Pincus and Princess Firyal Map Division, free to use, no copyright restrictions image. The Lionel Pincus and Princess Firyal Map Division is one of the wo... More
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, 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.
[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.
A series of columnar sections constructed from surface observations an...
Public domain image of the vintage map from NYPL Lionel Pincus and Princess Firyal Map Division, free to use, no copyright restrictions image. The Lionel Pincus and Princess Firyal Map Division is one of the wo... More
A series of columnar sections constructed from surface observations an...
Public domain scan of a plan, map, 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.