...d until near ten o'clock P. M. With the train in charge, having procured a reliable guide in the person of Dr. Evans, of Ringgold, I reached Alexander's Bridge, at which point I was directed to cross Chickamauga Creek , if possible, about sunrise upon the morning of the twentieth, after a most fatiguing march during the entire night. I reported my arrival with the train to army headquarters, and, being relieved o...