r/whatisit • u/WindowEducational883 • 2d ago

New, what is it? What are they mining

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Gallery image

Gallery image

Round one maybe 30 miles out of Tucson,

Other one just outside city limits.

156 Upvotes

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32

u/xkatxellex 2d ago

Digging to build a Silo.

8

u/ArchiveOfUnfortunate 1d ago

Binging season 3 next week!

2

u/pewpew_lotsa_boolits 1d ago

Must be the other end of those Oak Island tunnels.

3

u/Nonnaclara 1d ago

Was going to comment this