This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
KAARTEN SGD Gebiedsindeling van de gewestelijke arbeidsbureaus in Nederland.jpeg accession number en The individual creators of this map are unknown it was commissioned by the House of Representatives of the Netherlands De kaart behoort bij bijlage II van de Memorie van Toelichting betreffende Regelen ter stimulering en sturing