Grover is a locality and its consensus geometry is derived from whosonfirst.
{"wof:statistical_gore":1,"mz:is_ceased":0,"geom:latitude":38.361039,"wof:name":"Grover","counts:names_total":1,"wof:placetype":"locality","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102082299,"localadmin_id":404498927,"locality_id":1729441951,"region_id":85688697}],"mz:is_deprecated":0,"mz:min_zoom":30,"lbl:latitude":38.364497,"geom:area":0.004844,"geom:longitude":-88.30722,"wof:id":1729441951,"geom:type":"Polygon","wof:lastmodified":1613765299,"wof:belongsto":[102191575,85633793,102082299,404498927,85688697],"mps:latitude":38.364497,"wof:repo":"whosonfirst-data-admin-us","src:geom":"whosonfirst","wof:country":"US","counts:names_preferred":1,"geom:area_square_m":4.6965276053632E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","src:geom_via":"uscensus","counts:names_languages":1,"geom:bbox":"-88.369246,38.33217,-88.259191,38.386556","name:eng_x_preferred":["Grover"],"mps:longitude":-88.306188,"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-88.306188,"wof:geomhash":"c8c22b4d006af3de9dab6708811764fd","wof:parent_id":404498927,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"wof:placetype_id":102312317,"edtf:cessation":"uuuu"}