Middelburg [ZH] Middelburg [ZH] Middelburg [ZH] 1818 Middelburg (ZH.) MULTIPOLYGON(((4.686903 52.084334,4.694781 52.093818,4.699582 52.094745,4.701928 52.09404,4.705488 52.090286,4.699044 52.082338,4.695599 52.069195,4.685723 52.04817,4.682899 52.042155,4.675008 52.043366,4.6762 52.050923,4.676344 52.053066,4.676672 52.057937,4.680597 52.067938,4.686903 52.084334))) 1817-04-01 1855-09-01