Borax Mining
Read More74 / 76
Sigma Mine, American Borate Company
minesmineboraxboratesboron20 mule teamus Boraxpacific coast boraxrio tintodeath valley conservancydvchenry golasryan campdvrrbaby gaugeboraxosigmabillieamerican borate companynavel springspringspringsopen pitopen pit minedeath valleyharmony boraxghost townghost townsted fayepreston chiarotrestlemine trainshafthead frameaditdeath valley national parkdeva