Sabine Broekhoven (2000). "Holwerd" (in Dutch). Zwolle: Waanders. ISBN 90 400 9476 4. Retrieved 31 March 2022. "Dam naar Ameland". Amelander Historie (in...

be carried out was the construction of a causeway from the Frisian Holwerd to Ameland, in 1872, which was not very successful. Shortly after construction...

and 1994, a 15 km milk pipeline ran between the Dutch island of Ameland and Holwerd on the mainland, of which 8 km was beneath the Wadden Sea. Every...