Well there are some springs in the Superstitions that usually run year 'round. A lost person would be lucky to stumble onto a spring and perhaps smart to sit at the water and stay in the shade awaiting rescue.

Reality is there is very little chance that they are alive after this long. It has been well over 100 everyday out there and will be for another 2 months. Not very hospitable to novices without essentials.
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No, I am not Bear Grylls, but I stayed at a Holiday Inn Express last night and Bear was there too!