My guess would be that they found the Lost Dutchman himself and there is no mine out there. In all the decades of poeple looking for the Lost Dutchman's Mine, no one has ever found a thing.

The expert opinion is the Old Jacob(the Dutchman)would sneak into the Vulture Mine, NW of Phoenix and steal gold then circle around and re-enter the Phoenix area from the east and tell tales of riches in the Superstitions.

It is easy for some to dream of riches. It would have been wiser to buy a few lottery tickets and sit around the pool waiting to win than to enter the Superstitions on foot this time of the year.
_________________________
No, I am not Bear Grylls, but I stayed at a Holiday Inn Express last night and Bear was there too!