GC75EH7 ▼
Size:  (micro)
This cache replaces GC1M2C9 which was archived in 2013. I kept thinking of that one whenever I drove along this road and today set out to re-find the tunnel. So here it is, and a great example of historic sandstone engineering it is too, despite the graffiti added in recent years.
Additional Hints (Decrypt)
Decryption Key
A|B|C|D|E|F|G|H|I|J|K|L|M ------------------------- N|O|P|Q|R|S|T|U|V|W|X|Y|Z
(letter above equals below, and vice versa)
What are Attributes?
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You'll collect a digital Treasure from one of these collections when you find and log this geocache: