(netherlands)
Coordinates: 52.05573502738974, 5.483577250037018
Area: 1.4143310546875e-05 km²
OSM tags:
abandoned:building: bunker
architect: Ministerie van Oorlog
bunker_type: pillbox
heritage: 2
heritage:operator: rce
historic:period: 1939 - 1956
material: concrete
military: kazemat
model: S3A-type  bijnaam "Stekelvarken"
note: Grebbelinie
ref: GL114
ref:rce: 528629
website: https://www.bunkerinfo.nl/2016/02/grebbelinie-s3a-kazemat-gl114.html