Inset: Oswego. Only the portion bordering Lake Ontario and Lake Erie. Partially hand colored to show geological structure. Coloring probably added by C.L. Rominger. 1 map: col.; 10 1/2 x 11 3/4 in. This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.
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