Londonderry is a locality and its consensus geometry is derived from whosonfirst.
{"wof:statistical_gore":1,"mz:is_ceased":0,"geom:latitude":43.203524,"wof:coterminous":[404527333],"wof:name":"Londonderry","counts:names_total":1,"wof:placetype":"locality","edtf:superseded":"2024-01-19","mz:is_current":0,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102080773,"localadmin_id":404527333,"locality_id":1729471607,"region_id":85688763}],"mz:is_deprecated":1,"mz:min_zoom":30,"lbl:latitude":43.204913,"geom:area":0.010297,"geom:longitude":-72.803471,"wof:id":1729471607,"edtf:deprecated":"2024-01-19","geom:type":"Polygon","wof:lastmodified":1706240834,"wof:belongsto":[85688763,102191575,404527333,85633793,102080773],"mps:latitude":43.204913,"wof:repo":"whosonfirst-data-admin-us","src:geom":"whosonfirst","wof:country":"US","counts:names_preferred":1,"geom:area_square_m":9.2805763493957E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","src:geom_via":"uscensus","counts:names_languages":1,"geom:bbox":"-72.864931,43.14181,-72.727637,43.262488","name:eng_x_preferred":["Londonderry"],"mps:longitude":-72.804802,"src:lbl_centroid":"mapshaper","wof:superseded_by":[1125769009],"wof:supersedes":[],"lbl:longitude":-72.804802,"wof:geomhash":"9c9dbc26e1b072e6a4ee259560cb63cb","wof:parent_id":404527333,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"wof:placetype_id":102312317,"edtf:cessation":"uuuu"}