src: In 1923 the German Fathers, John Emonts and Charles Prantauer, who had studied English in Washington DC, started to work more to the Northwest in the Cheyenne River Reservation.
tgt: Em 1923, os Padres alemães John Emonts e Charles Prantauer, que estudaram a língua inglesa em Washington, DC, começam a trabalhar mais a Nordeste na «Cheyenne River Reservation».