America/Dawson is a timezone and its consensus geometry is derived from woedb.
{"mz:is_ceased":0,"geom:latitude":64.061459,"wof:name":"America/Dawson","counts:names_total":1,"wof:placetype":"timezone","gp:source":"geoplanet 7.6.0","mz:is_current":-1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633041,"timezone_id":102047469}],"mz:is_deprecated":0,"lbl:latitude":64.062831,"geom:area":0.001815,"geom:longitude":-139.407506,"wof:id":102047469,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1566655684,"wof:fullname":"America/Dawson, Canada","wof:belongsto":[102191575,85633041],"wof:concordances":{"gp:id":56043677},"mps:latitude":64.062831,"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":9815940.532651,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"","counts:names_languages":1,"geom:bbox":"-139.458483,64.042936,-139.361644,64.074402","name:eng_x_preferred":["America/Dawson"],"mps:longitude":-139.408428,"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-139.408428,"wof:geomhash":"2ccd33cafb89d1729fd10e67f16546ec","wof:parent_id":85633041,"wof:placetype_names":["timezone"],"mz:hierarchy_label":1,"wof:placetype_id":136057795,"edtf:cessation":"uuuu"}