The cooperation of Colonel Joseph Hyde Pratt, Commanding Officer of the regiment, Major George L. Lyerly, Commanding the Second Bat talion, Captain Harry S. Tucker, Adjutant of the Second Battalion, and. The company commanders in compiling the data make this publication possible, and to them the author is deeply indebted. Also to Sergeants Arthur G. Smith and Grover C. V arner the author is grateful for their untiring work in typewriting the data into such form that it could be used. For the maps reproduced, and all drawings and sketches, the author is indebted to the topographical section, who, under the leader ship of Master Engineer William L. Jewell, furnished the same.