(netherlands)
Type: historic=yes
Coordinates: 52.07111344506338, 5.477283003008572
Area: 1.1912109375e-05 km²
OSM tags:
abandoned:building: bunker
architect: Ministerie van Oorlog
bunker_type: pillbox
heritage: 2
heritage:operator: rce
historic: yes
material: concrete
military: bunker
model: S3A-type kazemat, bijnaam "Stekelvarken"
note: Grebbelinie
period: 1939 - 1951
ref: GL103
ref:rce: 528662
website: https://www.bunkerinfo.nl/2011/01/grebbelinie-s3a-kazemat-gl103.html