turnoff near the mine at sulphur, nevada

approaching bedrock boulder brown bulldozer business canyon cliff copper cut damage deep deposit desert dig digger digging dirt dirty earth ecology environment environmental equipment excavation explore extract geology gold ground hill hole huge humboldt imlay industrial industry iron marker metal mine mineral mountain natural nevada open ore pit quarry rabbithole rail railroad road roads rock rosebud sign silver soil strip sulphur tailings terrace track tracks transportation turnoff work