The North Sea Canal reference article from the English Wikipedia on 24-Apr-2004
(provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

North Sea Canal

Sponsorship the way you would do it
The North Sea Canal or Noordzeekanaal is a canal from Amsterdam to IJmuiden in the Netherlands. To the east, at Amsterdam, there is the IJ, then the Outer IJ.

Together there are the following connections:

Railroad tunnels (with nearest train station on the south and north bank):

Road tunnels, from east to west: Several ferries. In Amsterdam there are several across the IJ; at least one is frequent, operating 24 hours a day, free of charge.