America/Indiana/Marengo is a timezone and its consensus geometry is derived from woedb.
{"mz:is_ceased":0,"geom:latitude":38.292447,"wof:name":"America/Indiana/Marengo","counts:names_total":1,"wof:placetype":"timezone","gp:source":"geoplanet 7.6.0","mz:is_current":-1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"timezone_id":102047389}],"mz:is_deprecated":0,"lbl:latitude":38.303097,"geom:area":0.083908,"geom:longitude":-86.451328,"wof:id":102047389,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1566655723,"wof:fullname":"America/Indiana/Marengo, United States","wof:belongsto":[102191575,85633793],"wof:concordances":{"gp:id":56043652},"mps:latitude":38.303097,"wof:repo":"whosonfirst-data-admin-xy","wof:lang":["eng"],"src:geom":"woedb","wof:country":"","counts:names_preferred":1,"src:geom_alt":[],"geom:area_square_m":8.1432106770616E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"","counts:names_languages":1,"geom:bbox":"-86.681435,38.104889,-86.245758,38.422497","name:eng_x_preferred":["America/Indiana/Marengo"],"mps:longitude":-86.46893,"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-86.46893,"wof:geomhash":"9a50cf4f679f7133d4b35510b698d78a","wof:parent_id":85633793,"wof:placetype_names":["timezone"],"mz:hierarchy_label":1,"wof:placetype_id":136057795,"edtf:cessation":"uuuu"}