Works of "Research Collection"
Place Collected: 500' Level
Place Collected: Giroux Copper Mine
Place Collected: 10 miles southeast of Penneshaw
Place Collected: Coleman Twp.
Place Collected: Coleman Twp.
Place Collected: near Ouro Preto
Place Collected: Camp Bird Mine
Place Collected: Queensland
Place Collected: New South Wales
Place Collected: Minasragra
Place Collected: Santo Domingo
Place Collected: Queensland