
Properties | Classifieds | ICMJ Prospecting Mining Journal
HISTORIC CASTLE GOLD MINE. Eastern San Bernardino County, Calif. Ore in vein assays 2 oz. and up to 8 oz./ton Au. Freemilling gold and some sulfide ore. The surrounding area beyond the vein assays .03 to .10 oz/ton Au. In 1908, a large 70 degree shaft was sunk to 400 feet to explore this low grade ore.