Leyden is a locality and its consensus geometry is derived from whosonfirst.
{"wof:statistical_gore":1,"mz:is_ceased":0,"geom:latitude":43.533378,"wof:name":"Leyden","counts:names_total":1,"wof:placetype":"locality","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102085867,"localadmin_id":404521855,"locality_id":1729437249,"region_id":85688543}],"mz:is_deprecated":0,"mz:min_zoom":30,"lbl:latitude":43.533471,"geom:area":0.009563,"geom:longitude":-75.37927,"wof:id":1729437249,"geom:type":"Polygon","wof:lastmodified":1613765702,"wof:belongsto":[102191575,85633793,102085867,404521855,85688543],"mps:latitude":43.533471,"wof:repo":"whosonfirst-data-admin-us","src:geom":"whosonfirst","wof:country":"US","counts:names_preferred":1,"geom:area_square_m":8.5727639919858E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","src:geom_via":"uscensus","counts:names_languages":1,"geom:bbox":"-75.453992,43.470803,-75.307987,43.609664","name:eng_x_preferred":["Leyden"],"mps:longitude":-75.378179,"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-75.378179,"wof:geomhash":"67d049237b9e8b4a7f73558ccfb4e591","wof:parent_id":404521855,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"wof:placetype_id":102312317,"edtf:cessation":"uuuu"}