View of excavation for foundation of Main Library, Detroit Public Library. Men drive horse-drawn wagons through foundation; houses and steam shovel in background. Printed on front: "No. 103. Taken Feb 15-15. Detroit Public Library building. Shovel s.w. corner bldg. Cass Gilbert, architect. Irwin & Leighton, builders." Stamped on back: "Charles Ruel Messinger, commercial photographer, 1646 Woodward Ave., Detroit, Mich., phone Hemlock 2186, phone North 6298."