Foster is a locality and its consensus geometry is derived from whosonfirst.
{"wof:statistical_gore":1,"mz:is_ceased":0,"geom:latitude":44.499992,"wof:coterminous":[404489989],"wof:name":"Foster","counts:names_total":1,"wof:placetype":"locality","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086841,"localadmin_id":404489989,"locality_id":1729456789,"region_id":85688693}],"mz:is_deprecated":0,"mz:min_zoom":30,"lbl:latitude":44.50002,"geom:area":0.010569,"geom:longitude":-97.912553,"wof:id":1729456789,"geom:type":"Polygon","wof:lastmodified":1613765218,"wof:belongsto":[102191575,85633793,102086841,404489989,85688693],"mps:latitude":44.50002,"wof:repo":"whosonfirst-data-admin-us","src:geom":"whosonfirst","wof:country":"US","counts:names_preferred":1,"geom:area_square_m":9.3210397431251E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","src:geom_via":"uscensus","counts:names_languages":1,"geom:bbox":"-97.972237,44.455289,-97.853028,44.544668","name:eng_x_preferred":["Foster"],"mps:longitude":-97.91256,"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-97.91256,"wof:geomhash":"692a981d2a74240175b65d4c517b44d8","wof:parent_id":404489989,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"wof:placetype_id":102312317,"edtf:cessation":"uuuu"}