The force then advanced into the portion of the Comancheria in the Indian Territories in Oklahoma .
On April 15 , Ford 's Rangers , accompanied by Tonkawa warriors , and Anadarko and Shawnee scouts from the Brazos Reservation in Texas , crossed the Red River into Indian Territory .
The force then advanced into the portion of the Comancheria in the Indian Territory   in Oklahoma .
On April 15 , Ford 's Rangers , accompanied by Tonkawa warriors , and Anadarko and Shawnee scouts from the Brazos Reservation in Texas , crossed the Red River into Indian Territory .