Relief shown by hachures. Prime meridian: London. "Entered according to Act of Congress in the year 1855, by J.H. Colton & Co. ..." "Grid in miles from the General Post Office." "No. 4." 1 map; 29 x 36 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.
Colton, G. Woolworth (George Woolworth), 1827-1901.