[ Autographs ] (UTAH EXPEDITION) IRVIN MCDOWELL (1818 - 1885) Union major general whose army was routed at Bull Run. and who was later reprimanded for his command of the III Corps at Cedar Mountain and Second Bull Run. Fine Mormon content L.S., 1p. 4to., "Head Quarters ofthe Army", West Point, Aug. 10, 1857. As Assistant Adjutant general, McDowell signs an extract of "Special Order No. 99" ordering ArtilleryLt. George A. Kensel: "...to proceed immediately to Fort Leavenworth and seize the first opportunity to overtake the company [of light artillery] on its march to Utah..." Kensel was participating in the famous "Utah Expedition", a military force ordered by Buchanan to protect the authority of his appointed Governor of Utah, Alfred Cumming. Very good.