He was in charge of operations in Missouri , Kansas , and subsequently the Indian Territory .
From April 1865 until September 1866 , Sprague was the assistant commissioner of the Freedmen 's Bureau for the district of Arkansas , serving under Maj. Gen. Oliver O. Howard .
Sprague was in charge of operations in Missouri , Kansas , and subsequently the Indian Territory .
From April 1865 until September 1866 , Sprague was the assistant commissioner of the Freedmen 's Bureau for the district of Arkansas , serving under Maj. Gen. Oliver O. Howard .