View of excavation for Grounds Building adjacent to South Wing, Main Library, Detroit Public Library during construction. Old Technology Building in background. Printed on front: "Detroit Library Commission. Addns & alterations to Main Public Library. Bryant & Detwiler Company, contr. Descr. lkg. s.w. parking lot foreground; Grounds Bldg. excavation. No. 72. Date: 8-7-61. Win Brunner, photo."