This is one of the original twenty mule team wagon sets, used to carry borax out of Death Valley, through 165 miles of desolate mountains and blistering deserts, to the closest railroad spur in Mojave, California. It took 20 days for the 20 Mule . . . — — Map (db m123897) HM
Used in hauling borax from Death Valley to
Mojave, 165 miles - 10 days. The borax weighed
24 tons. The entire weight totaled 36½ tons. — — Map (db m159870) HM