...d Cavalry, was in command, with Lyman Mishler, 5th Infantry, and I. McBell, 2d New Mexico Volunteers, as lieutenants. Graydon's Spy Company, and five hundred mounted militia under Colonels Pino and Robert H. Stapleton , had already been sent to the eastern side of the river to watch the movements of the enemy. Colonel Roberts was too late to prevent the Confederates from reaching the river: when he arrived at the...