<prompt> Pedzisa mutsara unotevera: Mawson Glacier igungwa guru rechando riri kumabvazuva kweVictoria Land, Antarctica, richidzika kumabvazuva kubva kuAntarctic Plateau kuchamhembe kweTrinity Nunatak neKirkwood Range, kuti ipinde muRoss Sea, uko inoumba Nordenskjöld Ice Tongue. Girazi racho rakatanga kunyorwa pamapu ne  <response>: British Antarctic Expedition 190709 uye yakatumidzwa zita raDouglas Mawson, nyanzvi yefizikisi, uyo akazotungamira mamwe mafambiro maviri eAntarctic, 191114, uye 192931. 