Illinois--Chicago Sanitary and Ship Canal
Central business districts
Great Lakes Dredge & Dock Company
Illinois--Chicago Sanitary District
Chief engineer of the Sanitary District, George Wisner (left), president of the Great Lakes Dredge and Dock Co., William Lydon (middle), and a third unidentified gentleman, pose for a group photo in downtown Chicago atop the large dipper of a barge-mounted power shovel.
Abraham Lincoln Presidential Library and Museum
The Abraham Lincoln Presidential Library and Museum holds all rights and permissions.
Chicago Drainage Collection
Chicago Drainage Photo Album
19 x 12 cm
“Construction #113,” Chronicling Illinois, accessed May 16, 2021, http://chroniclingillinois.org/items/show/30234.