76 Wendy Rogers posts up an underground facilities and tunnels map. (twitter.com) posted 360 days ago by OGpat 360 days ago by OGpat +76 / -0 18 comments share 18 comments share save hide report block hide replies
I'm sure there's a lot more. Would love to see the eastern portion of the U.S.
https://br.ifunny.co/picture/inner-earth-tunnels-his-map-1978-shows-a-network-of-xe0lrUHJ9