Alvin is a locality and its consensus geometry is derived from whosonfirst.
{"wof:statistical_gore":1,"mz:is_ceased":0,"geom:latitude":45.96636,"wof:coterminous":[404494805],"wof:name":"Alvin","counts:names_total":1,"wof:placetype":"locality","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102081885,"localadmin_id":404494805,"locality_id":1729464479,"region_id":85688517}],"mz:is_deprecated":0,"mz:min_zoom":30,"lbl:latitude":45.958278,"geom:area":0.034619,"geom:longitude":-88.811402,"wof:id":1729464479,"geom:type":"Polygon","wof:lastmodified":1613764414,"wof:belongsto":[102191575,85633793,102081885,404494805,85688517],"mps:latitude":45.958278,"wof:repo":"whosonfirst-data-admin-us","src:geom":"whosonfirst","wof:country":"US","counts:names_preferred":1,"geom:area_square_m":2.97545491006273E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","src:geom_via":"uscensus","counts:names_languages":1,"geom:bbox":"-88.933336,45.895447,-88.67445,46.073668","name:eng_x_preferred":["Alvin"],"mps:longitude":-88.813892,"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-88.813892,"wof:geomhash":"30168fc2e16849cf5d864222bb757fb9","wof:parent_id":404494805,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"wof:placetype_id":102312317,"edtf:cessation":"uuuu"}