Millboro is a locality and its consensus geometry is derived from whosonfirst.
{"wof:statistical_gore":1,"mz:is_ceased":0,"geom:latitude":43.04015,"wof:coterminous":[404491011],"wof:name":"Millboro","counts:names_total":1,"wof:placetype":"locality","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086855,"localadmin_id":404491011,"locality_id":1729472033,"region_id":85688693}],"mz:is_deprecated":0,"mz:min_zoom":30,"lbl:latitude":43.040236,"geom:area":0.00999,"geom:longitude":-99.949076,"wof:id":1729472033,"geom:type":"Polygon","wof:lastmodified":1613764832,"wof:belongsto":[102191575,85633793,102086855,404491011,85688693],"mps:latitude":43.040236,"wof:repo":"whosonfirst-data-admin-us","src:geom":"whosonfirst","wof:country":"US","counts:names_preferred":1,"geom:area_square_m":9.0282414554418E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","src:geom_via":"uscensus","counts:names_languages":1,"geom:bbox":"-100.008483,42.997661,-99.889519,43.082498","name:eng_x_preferred":["Millboro"],"mps:longitude":-99.949074,"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-99.949074,"wof:geomhash":"175e4285702c1374cd09ce1d387f9a18","wof:parent_id":404491011,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"wof:placetype_id":102312317,"edtf:cessation":"uuuu"}