Century CompanyMatthews-Northrup CompanyContour lines show elevations in feet above sea level applies to depths only. At head of title: The Century atlas. Insets: St. Clair River -- Detroit River. "No. 23." 1 map: col.; 36 x 27 cm.JPEGf7253b7e-1131-4a56-950e-814f211e5a2dengPublicMichigan, southern partMapsMichigan1897University of Michigan