's-Gravenpolder 's-Gravenpolder 's-Gravenpolder 1812 's-Gravenpolder MULTIPOLYGON(((3.913434 51.450438,3.916017 51.452369,3.912191 51.454369,3.907574 51.454009,3.904732 51.455419,3.897729 51.457258,3.88999 51.458002,3.888705 51.45895,3.885563 51.457704,3.880659 51.45728,3.875908 51.45517,3.875279 51.453776,3.868494 51.451941,3.867472 51.450783,3.861749 51.448901,3.8592 51.45019,3.857233 51.453041,3.872075 51.461056,3.882036 51.468826,3.885795 51.468335,3.893459 51.467265,3.897584 51.468756,3.908891 51.466293,3.91911 51.461837,3.924583 51.457231,3.921255 51.453323,3.928846 51.449913,3.920477 51.446212,3.913434 51.450438))) 1816 's-Gravenpolder MULTIPOLYGON(((3.908891 51.466293,3.91911 51.461837,3.924583 51.457231,3.921255 51.453323,3.928846 51.449913,3.920477 51.446212,3.913434 51.450438,3.908899 51.448313,3.900077 51.449729,3.891078 51.447726,3.886033 51.448021,3.871543 51.44244,3.86237 51.445736,3.85634 51.445388,3.854511 51.44842,3.8592 51.45019,3.857233 51.453041,3.872075 51.461056,3.882036 51.468826,3.885795 51.468335,3.893459 51.467265,3.897584 51.468756,3.908891 51.466293))) 1970-01-01