Mojave Desert Miners

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American Beet Sugar Company used these mule teams to take lime rock from quarries (large pits where they cut out rock pieces) in 1900. They hauled 250 tons of rock a day from Oro Grande.

  Challenge Question

Later rock trains were used to haul 90 tons of limestone per load to the Golden State Portland Cement Company. They may 6 trips a day in Oro Grande.