Coal Mining Tunnel Map Tunnels In Blue For Book
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Download or edit the free picture Coal Mining Tunnel Map Tunnels In Blue For Book for GIMP online editor. It is an image that is valid for other graphic or photo editors in OffiDocs such as Inkscape online and OpenOffice Draw online or LibreOffice online by OffiDocs.
1939 coal mining tunnel map, overlayed with modern Google earth view to see what buildings are built on top of old tunnels. The tunnels are 180 feet deep and are only 5 feet high.Free picture Coal Mining Tunnel Map Tunnels In Blue For Book integrated with the OffiDocs web apps