Fort Abraham Lincoln log scouts' quarters. Water was supplied to the fort by being hauled from Missouri River in wagons, while wood was supplied by contract. By 1873, the 7th Cavalry moved into the fort to ensure the expansion of the Northern Pacific Railway. The first post commander of the expanded fort was Lieutenant Colonel George A. Custer, who held the position until his death in 1876. In 1876, the Army departed from here as part of the Great Sioux War of 1876-77, resulting in Custer's defeat at the Battle of the Little Bighorn, where they were to push the non-treaty Indians back
Battle of Slim Buttes June 17, 1876, beat off the Indian attack, driving the Sioux northward as contemplated in Sheridan's plan. From that point of view it was regarded as a victory. Crook had seriously wounded men to care for, His supplies of food and ammunition were used up. Therefore, he fell back to Goose Creek to reorganize." Custer's 7th Cavalry regiment was a major component of General Terry's column. Custer ascended the Little Big Horn in search of an Indian village and attacked on June 26, 1876. "No one had any idea that all of the Indians would be found in one spot