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 Situatie IJsselmondse haven.jpeg accession number en The individual creators of this map are unknown it was commissioned by the House of Representatives of the Netherlands De haven van IJsselmonde was een toevluchtsoord voor vele schippers geworden met het gevolg dat het water in ernstige mate was verontreinigd en daardoor