Hartford & New Haven is a marketarea and its consensus geometry is derived from whosonfirst.
{"mz:is_ceased":0,"geom:latitude":41.637044,"wof:controlled":["wof:parent_id","wof:hierarchy"],"wof:name":"Hartford \u0026 New Haven","counts:names_total":3,"wof:placetype":"marketarea","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"empire_id":136253057,"marketarea_id":1360665255}],"mz:is_deprecated":0,"lbl:latitude":41.5952,"geom:area":1.317251,"geom:longitude":-72.626404,"wof:id":1360665255,"counts:concordances_total":2,"geom:type":"Polygon","wof:lastmodified":1583789537,"wof:belongsto":[102191575,85633793,136253057],"wof:concordances":{"digitalenvoy:metro_code":533,"nielsen:id":533},"mps:latitude":41.5952,"name:eng_x_variant":["Hartford \u0026 New Haven, CT","Hartford New Haven, CT"],"wof:repo":"whosonfirst-data-admin-us","src:geom":"whosonfirst","wof:country":"US","counts:names_preferred":1,"geom:area_square_m":1.2173080840058323E10,"wof:tags":[],"counts:names_variant":2,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":1,"geom:bbox":"-73.51808,41.087108,-71.787239,42.050587","name:eng_x_preferred":["Hartford \u0026 New Haven"],"mps:longitude":-72.626312,"wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-72.626312,"wof:geomhash":"7294a408edca663520e6bc00faaf4d68","wof:parent_id":85633793,"wof:placetype_names":["marketarea"],"mz:hierarchy_label":0,"wof:placetype_id":1360666019,"edtf:cessation":"uuuu"}