Rock with Gold Veins: Black Hills Gold Core Sample
Rock with Gold Veins: Black Hills Gold Core Sample Rock with Gold Veins: Black Hills Gold Core Sample Rock with Gold Veins: Black Hills Gold Core Sample Rock with Gold Veins: Black Hills Gold Core Sample Rock with Gold Veins: Black Hills Gold Core Sample Rock with Gold Veins: Black Hills Gold Core Sample Rock with Gold Veins: Black Hills Gold Core Sample Rock with Gold Veins: Black Hills Gold Core Sample Core Sample taken by Park Service Personnel during a demonstration A freebie! Back in the days when such samples did not end up in the gift shop 13.65 ounces 387 grams Black Hills, SD Demonstration Core 1985 * Rock with Gold Veins: Black Hills Gold Core Sample
