• Locations
• Netherlands
• Noord-Holland
• Muiden

• Seeadler
• Barrack
• Foundations
• Vf
• Würzburg-I
• Würzburg-II
• Vf Masch-I
• Vf Masch-II
• Vf Masch-III
• Other

Vf

Oops .. bad German research of the soil before starting construction. Some source says: cablebunker.

The water level is always horizontal.

The entrance is firmly closed.