Relief shown by hachures. North oriented to upper left. Maps show lines opened and lines surveyed or under construction. 1 map on 3 sheets: col.; 166 x 33 cm., folded in cover 16 x 12 cm.
Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library. https://www.lib.umich.edu/about-us/policies/copyright-policy
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