View of North Wing, Main Library, Detroit Public Library during construction. Pick-up truck and crane parked adjacent to structural framework of building; construction materials and lumber on site. Printed on front: "Detroit Library Commission. Addns & alterations to Main Public Library. Bryant & Detwiler Company, contr. Descr. No. Wing, no. elev. No. 61. Date: 3-28-60. Win Brunner, photo."