Works of "Research Collection"
Place Collected: Finca de Maray near Tierra Amarilla
Place Collected: Jardinera No. 1 Mine
Place Collected: Jardinera No. 1 Mine
Place Collected: Inca de Oro
Place Collected: El Salvador Mine
Place Collected: Jardinera No. 1 Mine
Place Collected: Cruzero Mine
Place Collected: Jardinera No. 1 Mine
Place Collected: Catalina mine
Place Collected: Jardinera No. 1 Mine