Works of "Research Collection"
Place Collected: Clear Lake
Place Collected: Morning Star Mine (Curtz Mine; Ardis Mine)
Place Collected: Canada Hill Mine
Place Collected: Phoenix Lode
Place Collected: Costa Rica
Place Collected: California
Place Collected: Naguila Mine
Place Collected: Great Vein
Place Collected: Mariposa Co.
Place Collected: Rawhide Mine