Abbey of Rolduc (Abbey of Rode or Kloosterrade), Rolduckerveld, Kerkrade. The monastery, founded in 1119, was located on the bermats of the coal house in Limburg. From 1742 onwards, coal was mined under own management after the closure by the French in 1796, and coal mining was continued by the Domaniale Mine, the oldest mine in the Netherlands.© 18 april 2019 Aerophoto-Schiphol Aerial Photography