Campus Martius, Marietta, Ohio, 1791 Small 320×171 Medium 640×341 Large 1024×546 Download Tiff Original 2831×1509 | (4.1 MB) Description Campus Martius, Marietta, Ohio, 1791, as reconstructed in The American Pioneer in 1841 Keywords Marietta, Northwest Territory, Ohio Galleries Ohio Source: Willis Mason West, American History and Government (Boston: Allyn and Bacon, 1913) 275