Rijkswaterstaat photo collection. North Sea Canal. Steam crane, in use at the concrete block factory, where the concrete blocks were manufactured for the harbor trunks. 1870-1875}. Noord-Holland, Noord-Holland, Velsen, Velsen

Royalty-Free Standard Commercial licenses are granted for worldwide, non-exclusive and perpetual use, unless specifically noted otherwise. All Royalty-Free transactions are final. The Royalty-Free Standard Commercial license has no limitations and covers up to 15 users.