Prime meridian: Washington City. Engraved by Rawdon Clark & Co., Albany, N.Y. Inset: Map of part of Ste. Marie River from actual survey. Scale 8 miles to an inch. Positive photostat from original in Burton Historical Collection, Detroit Public Library. 1 map on 2 sheets: photostat; 48 x 88 cm. 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.