View of Cass Avenue driveway construction and South Wing, Main Library, Detroit Public Library. Several construction workers work in ditch on construction site; cement truck at edge of ditch. Bulldozer in foreground; cranes in background. Printed on front: "Detroit Library Commission. Addns & alterations to Main Public Library. Bryant & Detwiler Company, contr. Descr. looking s.w., driveway curb. No. 93. Date: 9-21-61. Win Brunner, photo."
