Fort Custer (Montana) Fort Custer (Montana) Fort Custer was established during the Indian wars in the Department of Dakota by the U.S. Army to subjugate the Sioux, Cheyenne and Crow Indians near present-day Hardin, Montana. The post was named for General George Armstrong Custer who died at the Battle of the Little Big Horn. In April and May, 1877, three companies (C, F and G) were moved from Cheyenne Agency, and three companies ( A, B and H) from Fort Yates in the Standing Rock Agency to the Little Big Horn, Montana, under the command of Lieut.-Colonel G. P. Buell, 11th Infantry, where
Battle of Stony Lake but having failed to surprise him, the Sioux probed for weak spots. Colonel James H. Baker's 10th Minnesota Regiment was in Sibley's van and advanced, firing volleys and supported by two mountain howitzers. The Sixth Minnesota and Seventh Minnesota Regiments deployed to the left and right of Sibley's wagon train. Charges by companies of infantry dislodged the Indians from several hills. Shortly, the Sioux gave up the battle and faded away. Sibley was unable to pursue them as his horses and men were tired. Sibley did not suffer any casualties. Sioux casualties are unknown, but probably light. Three Indians were