Pioneer-Motherlode Mining Supply is the home of the famous Blue Bowl concentrator, and the largest recreational mining equipment and metal detector dealer in Northern California. Frank Sullivan has catered to prospectors and treasure hunters worldwide since 1967.

Step back in time and experience the Gold Rush adventure. You supply the dream, and we supply the gear to make it a reality. We stock new and used Gold dredges, power sluices, and repair parts. Trades, consignments and layaways are always welcome. We buy, sell and trade Gold.

Pioneer has the best selection of new and used Gold detectors in Northern California, and the expertise and hands on experience to help you make an informed decision on the metal detector best suited for your personal needs.USGS Topo maps, Gold maps, treasure maps, county maps, DeLorme Gazetters, Gold prospecting books, gem and mineral books, and treasure guides. If it pertains to Gold prospecting or treasure hunting, chances are we have it, or we can get it fast!

Educational field trips are available that provide expert instruction in metal detecting, electronic prospecting, dredging, power sluicing, sluicing, and panning. Contact Frank for openings.