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- Belgium , furnace
- France , potash works
- France , Rodolphe potash works
- France , potassium mine Therese
- France , potash works
- France , potash works
- France , potash works Marie Louise
- France , potash works Marie Louise I II
- France , potash works Marie Louise II
- France , potash works
- France , saline
- France , potash works
- France , potash works Amelie
- Germany , clay mine
- Germany , engine house 'Langhaus'
- Germany , calcspar mine 'Grüberg II'
- Germany , Gneisenau colliery, shaft 2
- Germany , adit
- Germany , coal mine Consolidation shaft 8 (Oberschuir)
- Germany , pyrite mine Meggen, Siciliaschacht
- Germany , shaft Minister Achenbach 4
- Germany , Schlägel und Eisen colliery, shaft 8
- Germany , clay mine Melsbach
- Germany , Osterfeld colliery, shaft Hugo Haniel
- Germany , salt mine 'Solvay'
- Germany , 'Conrad II' shaft
- Germany , mine museum
- Germany , mine near Strassberg
- Germany , adit
- Great Britain , clay mine
- Great Britain , furnace
- Great Britain , buddle
- Great Britain , shaft entries near Cot Valley
- Great Britain , mine
- Scotland (GB) , nr 2 shaft
- , engine house
- , potassium mine Max
- , spoil heap
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contact me
hfinster@gmx.de