Workers laying granite blocks on United States approach, Ambassador Bridge during construction
Description:
View of workers laying granite blocks for the U.S. approach of the Ambassador Bridge during construction. Printed on front: "151, 7-16-29. Detroit River Bridge, McClintic-Marshall Co., engineer & contractor." Stamped on back: "American Commercial Photo Co., 25 Parsons St., Detroit, Mich. Glendale 7152."