Dispatch [duplicate of autograph letter signed] 1876 July 16, Omaha [to] General Crook, Fort FettermanUnited States. Army. Military Division of the MissouriWilliams, Robert, fl. 18761876 July 16General Crook planned an ambitious campaign against the Sioux Indians for the summer of 1876. In this dispatch, General Sheridan provides information on movements of hostile Indians, assignments and movements of United States troops, and availability of supplies and equipment.text