O l l i . B .: mine heads
O l l i . B .: mine head
O l l i . B .: mine head
O l l i . B .: mine shaft
O l l i . B .: mine shaft
O l l i . B .: mine head
O l l i . B .: mine head
O l l i . B .: typology of identical buildings II
O l l i . B .: mine head
O l l i . B .: mine head
O l l i . B .: mine head
O l l i . B .: typology of identical buildings
O l l i . B .: mine head
O l l i . B .: mine shaft
O l l i . B .: mine shaft
O l l i . B .: mine shaft
O l l i . B .: mine head
O l l i . B .: mine head
O l l i . B .: mine head
O l l i . B .: mine head
O l l i . B .: mine head
O l l i . B .: mine head
O l l i . B .: mine head
O l l i . B .: mine head
O l l i . B .: mine heads
O l l i . B .: mine heads