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Thread Owner
So lets say that I have these kgc symbols on trees and like "rainman" they make sense to me and I've followed it to an area where the ground has clearly settled and sunk in. It's my understanding that vaults(which I may have a vault symbol) were buried on railroad ties so that they wouldn't sink in the ground. I have 2 detectors and neither 1 is going off. How deep does a standard detector read? Also, would the ground be sunk?