This cache may be found by finding four caches: GC 56ZZ2, GC 56ZZ3, GC 56ZZQ, GC 57000.
At the top of three of the log sheets of the four caches will be two numbers. At the top of the fourth log sheet will be the order in which to put the numbers to the location of this cache.
A final clue will be provided at the final coordinates.
The coordinates listed above are for the turn into the wash. A new paved roadway provides closer access by vehicle.