Steinwehr, A. von (Adolph), 1822-1877Relief shown by hachures, depths shown by bathymetric tints and soundings. Inset of Isle Royale in upper right corner. Greenwich prime meridian used along upper border, Washington prime meridian used along lower border. 1 map: col.; 29 x 47 cmJPEG81297879-f462-4c03-a436-215deea054b9engPublicMap of Michigan and Wisconsin; by A. von Steinwehr, A.M.MapsMichigan1877University of Michigan