Works of "Research Collection"
Place Collected: Minerva #1 Mine
Place Collected: Minerva #1 Mine
Place Collected: Mosquito Fork
Place Collected: Soda Lake Area
Place Collected: Calico Hills
Place Collected: Calico Hills
Place Collected: U.S. Borax Open Pit
Place Collected: U.S. Borax Open Pit
Place Collected: U.S. Borax Open Pit