Map of the Week – Schermer land reclamation, 1635

This map shows the Scher-meer [Scher lake, also called Schermermeer], a lake that was drained between 1633 and 1635 to claim land. The map shows how this was done: a dike and ditch were built around the lake. Mills would pump water out of the lake, across the dike, into the surrounding ditch, from where it was carried to rivers and ultimately to the sea. Smaller ditches would criss-cross the lake to drain the land. The mills had to continously pump or the lake would fill up again. The Dutch … [Read more...]