1852. Burger, R. (Robert), Burt, William Austin, 1792-1858, Canfield, Augustus, d. 1854, Holcroft, John, and R. Burger & Company. Bathymetry shown by soundings and contours in feet. Shows "proposed canal" and surrounding cultural features. Includes profile. Vertical scale [ca....
Search Results
1852. Bayfield, Henry Wolsey, 1795-1885 and Farmer, John, 1798-1859. Shows the Lake Superior region. Relief shown by hachures; depths shown by soundings. "Engraved by J. Farmer." "Entered according to act of Congress...