Valkenburg [Li] Valkenburg [Li] Valkenburg [Li] 1812 Valkenburg (L.) MULTIPOLYGON(((5.860382 50.870191,5.866771 50.869895,5.856064 50.864636,5.848343 50.859543,5.837603 50.865069,5.831782 50.865361,5.835643 50.868042,5.833523 50.869129,5.83454 50.871463,5.850288 50.869423,5.860382 50.870191))) 1941-07-15