All the entrances to the StpGr were protected by anti-tank obstacles.
Remains of obstacles with steel bars at the Zwaluwe dijk.
Here are the bars still present.
This region was liberated by the Polish army.
A piece at the Dirk de Botsdijk.
Another piece with a free part for the road.
A very nice Panzermauer (Sperre 131) on a dike in the same region.
Sperre 122 near the Moerdijk harbour.
The small piece taken from the side. (2 photos: Frank Heidelmann)