Heenvliet Heenvliet Heenvliet 1812 Heenvliet MULTIPOLYGON(((4.238312 51.877394,4.248556 51.868595,4.234829 51.854618,4.220309 51.854744,4.205175 51.850637,4.194308 51.849898,4.180533 51.849398,4.172503 51.856507,4.181052 51.862527,4.185415 51.867696,4.197176 51.873209,4.205156 51.87347,4.210404 51.878287,4.220085 51.880181,4.226442 51.881502,4.238312 51.877394))) 1967 Heenvliet MULTIPOLYGON(((4.248556 51.868595,4.234829 51.854618,4.220309 51.854744,4.205175 51.850637,4.194308 51.849898,4.180533 51.849398,4.172503 51.856507,4.181052 51.862527,4.185415 51.867696,4.197176 51.873209,4.205156 51.87347,4.210404 51.878287,4.220085 51.880181,4.226442 51.881502,4.234793 51.873045,4.248556 51.868595))) 1980-01-01