30 Harrisburg, Pennsylvania. The site of a well known D.U.M.B. Based on the landscape, it appears this one could go from New Haven Connecticut to Birmingham Alabama. Could be an ancient underground structure IMO. Doesnt look like erosion to me.... (media.greatawakening.win) posted 249 days ago by PlumberFag 249 days ago by PlumberFag +32 / -2 5 comments download share 5 comments share download save hide report block hide replies
Shitloads of cave systems in these ancient limestone mountains.
Just making this statement and posting a map of one location is really low effort. Give us something more if you want to be taken seriously.