Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The regiment left Ohio for Covington, Kentucky, May 19. Detachments were stationed at Falmouth, Kentucky and Cynthiana, Kentucky guarding railroad lines and bridges. Participated in operations against John Hunt Morgan May 31-June 20. Action at Cynthiana June 9 (detachment captured). Keller's Bridge, near Cynthiana, June 11. Duty in Kentucky until July 10. Moved to Camp Dennison July 11. Guard duty there and at Cincinnati until September 8.