"This publication is the result of a desire on the part of the members of the Twelfth Engineers to preserve in permanent form a record of the works and achievements of their regiment in its service, 1917 - 1919, as a part of the Allied Armies in the World War. It has been the endeavor of those engaged in its compilation and publication to reflect accurately the circum stances and conditions under which the unit Operated, as well as the results accomplished." --