(netherlands)
Coordinates: 52.07249618588585, 5.474889875309403
Area: 1.84091796875e-05 km²
OSM tags:
abandoned:building: bunker
architect: Ministerie van Oorlog
building:material: concrete
bunker_type: pillbox
heritage: 2
heritage:operator: rce
historic:period: 1939 - 1956
military: bunker
model: Szw Fr-type kazemat, bijnaam "Stekelvarken"
note: Grebbelinie
ref: GL102
ref:rce: 528661
website: https://www.bunkerinfo.nl/2011/01/grebbelinie-szw-fr-gl102.html