Works of "Research Collection"
Place Collected: San Piero In Campo
Place Collected: Kafveltorp
Place Collected: Campaho Da Campo
Place Collected: Itacambiruco Valley
Place Collected: Langesundsfjord
Place Collected: Anjanabonoina
Place Collected: Diamantina
Place Collected: Langesundsfjord
Place Collected: Laurium Mines