(netherlands)
Coordinates: 52.05756636888541, 5.482516276055484
Area: 1.4121337890625e-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 kazemat, bijnaam "Stekelvarken"
note: Grebbelinie
ref: GL113
ref:rce: 528668
source: local survey 01-04-13
website: https://www.bunkerinfo.nl/2011/01/grebbelinie-s3a-kazemat-gl113.html