The correct GPS coordinates for the South/East corner of the claim are:  35 degrees 6' 2" N and -117 degrees 4' 23" W.  
From Barstow, take Irwin Road north.  Turn left onto Copper City Road.  Just past the top of the hill, there's a marker on the left side of the road (BM3960).  Continue past the marker for 3/4-mile and turn left on Coolgardie Road (4' steel pipe with yellow paint on top) near a stand of Joshua trees.  Continue on Coolgardie Road for 5.6-miles to the South/East corner of the claim.