(netherlands)
Type: building=bunker
Coordinates: 52.178070247633066, 5.34220446675962
Area: 1.94508056640625e-05 km²
OSM tags:
architect: Ministerie van Oorlog
building: bunker
bunker_type: pillbox
heritage: 2
heritage:operator: rce
historic: yes
material: concrete
military: bunker
model: Szw Fr-type kazemat, bijnaam "Stekelvarken"
note: Grebbelinie
period: 1939 - 1951
ref: E11
ref:rce: 528534
start_date: 1940
website: https://www.bunkerinfo.nl/2010/01/s3a-szw-fr-e11.html