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
2nd West Virginia Volunteer Cavalry Regiment and a new CompanyG consisted of men from CompanyM. The new regiment commander was Lieutenant Colonel James Allen. His second-in-command was Major Edwin S. Morgan. General Sheridan now led an 8,000-man force, and it consisted of two cavalry divisions. General Wesley Merritt was Sheridan's cavalry commander. General Thomas Devin led the 1st Division, and the 3rd Division was commanded by George Armstrong Custer, who was now a general. The 2nd West Virginia Cavalry became part of the 3rd Brigade, 3rd Division Cavalry Corps. The brigade consisted of the 1st, 2nd, and 3rd West Virginia Cavalry regiments, and was commanded by