Leiden Leiden Leiden 1812 Leiden MULTIPOLYGON(((4.494689 52.160606,4.503499 52.158515,4.503829 52.15663,4.502988 52.147455,4.487505 52.147248,4.481988 52.152689,4.489151 52.159844,4.494689 52.160606))) 1897 Leiden MULTIPOLYGON(((4.516546 52.156454,4.519971 52.145694,4.502858 52.146645,4.487312 52.142303,4.466785 52.131718,4.466812 52.144572,4.462239 52.146693,4.463276 52.153083,4.469557 52.153222,4.470337 52.157902,4.477843 52.169645,4.487198 52.169717,4.497942 52.166023,4.494467 52.164379,4.494689 52.160606,4.503499 52.158515,4.503829 52.15663,4.516546 52.156454))) 1920 Leiden MULTIPOLYGON(((4.475311 52.171962,4.477843 52.169645,4.487198 52.169717,4.497942 52.166023,4.511941 52.167746,4.512529 52.16011,4.516546 52.156454,4.519971 52.145694,4.510671 52.143108,4.510025 52.138789,4.496234 52.134461,4.485717 52.134471,4.478318 52.131987,4.466785 52.131718,4.462239 52.146693,4.463276 52.153083,4.469557 52.153222,4.470337 52.157902,4.464231 52.163427,4.475311 52.171962))) 1967 Leiden MULTIPOLYGON(((4.514454 52.181247,4.515636 52.173166,4.511941 52.167746,4.512529 52.16011,4.516546 52.156454,4.519971 52.145694,4.510671 52.143108,4.510025 52.138789,4.480366 52.124632,4.478735 52.118687,4.474091 52.117303,4.470267 52.118622,4.470388 52.126982,4.463076 52.127464,4.466785 52.131718,4.462239 52.146693,4.458119 52.148099,4.450059 52.142283,4.441925 52.14006,4.440519 52.144364,4.436799 52.154401,4.440673 52.157758,4.4476 52.161948,4.454314 52.169371,4.466282 52.170274,4.477657 52.178812,4.48268 52.176244,4.491321 52.175501,4.495311 52.180654,4.49999 52.18069,4.511338 52.183561,4.514454 52.181247))) 1998 Leiden MULTIPOLYGON(((4.498606 52.183998,4.500793 52.184026,4.501092 52.184068,4.50135 52.184136,4.501592 52.184247,4.501868 52.184369,4.502105 52.184443,4.502377 52.184516,4.502653 52.184566,4.502953 52.184604,4.503399 52.184625,4.50386 52.184606,4.504409 52.184543,4.505473 52.184375,4.505986 52.184298,4.50864 52.183959,4.509211 52.183891,4.50987 52.183842,4.512803 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