Works of "Research Collection"
Place Collected: Amerika Stope
Place Collected: Nya Zeeland Stope
Place Collected: Langban Mine
Place Collected: Langban Mine
Place Collected: Langban Mine
Place Collected: Langban Mine
Place Collected: Langban Mine
Place Collected: Harstigen Mine
Place Collected: Langban Mine
Place Collected: Langban Mine
Place Collected: Langban Mine
Place Collected: Langban Mine