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....
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1847. Westcott, G. C. (George C.),Brady, Hugh, d. 1851. Oriented with north toward the upper left. From: Report of the Secretary of the Treasury communicating a report from the acting commissioner of the...
1847. [creator not identified]. Relief shown by hachures. From Report of the Secretary of the Treasury communicating a report from the acting commissioner of the General Land Offi...
1846. Lyon, Lucius, 1800-1851 and Surveyor General for Ohio, Indiana and Michigan. Relief shown by hachures. "Lucius Lyon, surr. genl." "January 31, 1846." From Report of the Secretary of the Treasury communicating a report from t...