Text this: Report of Lieut. General P.H. Sheridan, dated September 20, 1881, of his expedition through the Big Horn Mountains, Yellowstone National Park, etc : together with reports of Lieut. Col. J.F. Gregory, A.D.C., Surgeon W.H. Forwood, and Capt. S.C. Kellogg, fifth cavalry / [U.S. Army, military division of the Missouri].