Pioneer Mining Supply is the home of the famous Blue Bowl concentrator in Northern California. Pioneer Mining . Step back in time and experience the Gold Rush adventure. You supply the dream, and we supply the gear to make it a reality.
Does anyone have blue bowl plans? . The mini concentrator sluice sure is cheaper. I don't mind setting at home with a beer in .. If done right, the blue bowl cannot be beat for 30 mesh and finer gold! Used to love sittin in.