Roster of troops serving in Department of the Columbia embracing States of Washington, Oregon and Idaho (except so much as is embraced in Yellowstone Park); commanded by Major-General Samuel B. M. Young, U.S. Army
Reports include listings of troops and officers, by post; personal and Department staffs; and officers on duty. Reports also include data on officers quarters, barracks, and stables, by post. Reports through Aug. 1907 also include data on troops by post; table of distances between posts; and information on means of transportation between posts.