Works of "Research Collection"
Place Collected: Lengenbach Quarry
Place Collected: Lengenbach Quarry
Place Collected: Lengenbach Quarry
Place Collected: Lengenbach Quarry
Place Collected: Lengenbach Quarry
Place Collected: Lengenbach Quarry
Place Collected: Lengenbach Quarry
Place Collected: Lengenbach Quarry
Place Collected: Lengenbach Quarry
Place Collected: Lengenbach Quarry
Place Collected: Lengenbach Quarry
Place Collected: Lengenbach Quarry