Works of "Research Collection"
Place Collected: Cerro De Pasco
Place Collected: Cerro De Pasco
Place Collected: Cerro De Pasco
Place Collected: Cerro De Pasco
Place Collected: Cerro De Pasco
Place Collected: Morococha
Place Collected: Morococha
Place Collected: Cerro De Pasco
Place Collected: Casapalca
Place Collected: Cerro De Pasco
Place Collected: Cerro De Pasco
Place Collected: Prospect near Oyon