(netherlands)
Coordinates: 52.052235696591815, 5.53701678828733
Area: 1.4114501953125e-05 km²
OSM tags:
abandoned:building: bunker
architect: Ministerie van Oorlog
bunker_type: pillbox
heritage: 2
heritage:operator: rce
material: concrete
military: bunker
model: S3A-type kazemat, bijnaam "Stekelvarken"
note: Grebbelinie
period: 1939 - 1951
ref: GL144
ref:rce: 528617
website: https://www.bunkerinfo.nl/2016/02/grebbelinie-s3a-kazemat-gl144.html