Works of "Research Collection"
Place Collected: J.R. Rodger Ltd. Mines
Place Collected: Oetzthal
Place Collected: Ustí nad Labem
Place Collected: Comet Lake
Place Collected: Parainen
Place Collected: Rio Tibragz
Place Collected: Cerro De Mercado
Place Collected: Dognacea
Place Collected: Nova Scotia