The information posted for Tough Nut is correct.
This is the directions posted in the old Mining Guide:
Hwy 18 crosses the northeast corner of this claim. Follow Hwy 18 south from Lucerne Valley towards Big Bear. Just past the double "s" turns you'll see a canyon on your right. Parking is either 1/4-mile below the claim, just below the "s" turns, or just above the claim, off Hwy 18.
GPS coordinates for North End of claim at Canyon: 34 degrees 19' 45.044" N, -116 degrees 49' 42.971" W.