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
Presidency of Ulysses S. Grant the committee's demands and signed the agreement. During the Great Sioux War, Grant came into conflict with Col. George Armstrong Custer after he testified in 1876 about corruption in the War Department under Secretary William W. Belknap (see below). Grant had Custer arrested for breach of military protocol in Chicago and barred him from leading an upcoming campaign against the Sioux. Grant finally relented and let Custer fight under Brig. Gen. Alfred Terry. Two months after Custer's death Grant castigated him in the press, saying "I regard Custer's massacre as a sacrifice of troops, brought on by Custer himself, that