Detroit River and Ambassador Bridge, viewed from Union Guardian Building
View of the Detroit River and the Ambassador Bridge from the Union Guardian Building. Ambassador Bridge is under construction. The Union Guardian building was also known as the Guardian Building and the Union Trust Building. Stamped on back: "Grossman Knowling Lehr. 400 Marquette Bldg., Detroit, Michigan. File number 61." Handwritten on back: "Dawn river view from U.T. Bldg. & Ambassador Bridge under construction."