Shreveport-Texarkana is a marketarea and its consensus geometry is derived from whosonfirst.
{"mz:is_ceased":0,"geom:latitude":32.871504,"wof:controlled":["wof:parent_id","wof:hierarchy"],"wof:name":"Shreveport-Texarkana","counts:names_total":2,"wof:placetype":"marketarea","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"empire_id":136253057,"marketarea_id":1360665457}],"mz:is_deprecated":0,"lbl:latitude":32.695687,"geom:area":4.868932,"geom:longitude":-93.913647,"wof:id":1360665457,"counts:concordances_total":2,"geom:type":"Polygon","wof:lastmodified":1583789570,"wof:belongsto":[102191575,85633793,136253057],"wof:concordances":{"digitalenvoy:metro_code":612,"nielsen:id":612},"mps:latitude":32.695687,"name:eng_x_variant":["Shreveport, LA"],"wof:repo":"whosonfirst-data-admin-us","src:geom":"whosonfirst","wof:country":"US","counts:names_preferred":1,"geom:area_square_m":5.0560782024640274E10,"wof:tags":[],"counts:names_variant":1,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":1,"geom:bbox":"-95.156621,31.165515,-92.716361,34.507575","name:eng_x_preferred":["Shreveport-Texarkana"],"mps:longitude":-93.769236,"wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-93.769236,"wof:geomhash":"f6d95a66ef90680bf945e06758ea0c83","wof:parent_id":85633793,"wof:placetype_names":["marketarea"],"mz:hierarchy_label":0,"wof:placetype_id":1360666019,"edtf:cessation":"uuuu"}