Chicago Sanitary District. Engineering Dept.Prepared by the Engineering Department of the Sanitary District of Chicago. Blueprint. Printed on 2 sheets, joined. Signed "Dr. James B. Angell, compliments of L. Cooley." Stamped on verso: "Sanitary District of Chicago, Jan 2 1896, received Division 2" and F. Mayer & Co. logo. 1 profile: photocopy, hand col.; 28 x 375 cm.JPEG42d5eb57-6b76-48d2-a50d-35f03103df2aengPublicProfile of the lakes and Atlantic waterways via the Great Lakes and connecting rivers: the St. Lawrence River and the Champlain--Hudson Valley from Chicago and Duluth--Superior to New York and QuebecMapsGreat LakesApproximately 1895University of Michigan