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Home / Mojave Preserve and Desert bikepacking trips / 2008: Mojave National Preserve Mountain-Bike Camping and Hike / Day 2: Eight-mile day hike from campsite on middle fork Globe Mine Road to Tough Nut Mine via Good Hope Mine and back /
This shaft at the mine site has concrete walls
I'm guessing, due to the poured concrete walls, that this shaft might have been bored later than the other holes in the ground here.