| Atlas or Map |
Year |
| Atlas of Champaign County, Ohio |
1874 |
| Atlas of Delaware County, Ohio |
1866 |
| Atlas of Delaware County, Ohio |
1875 |
| Atlas of Delaware County, Ohio |
1908 |
| Atlas of Hardin County, Ohio |
1879 |
| Atlas of Henry County, Ohio |
1875 |
| Atlas of Logan County, Ohio |
1875 |
| Atlas of Madison County, Ohio |
1875 |
| Atlas of Marion County, Ohio |
1878 |
| Atlas of Morrow County, Ohio |
1871 |
| Atlas of Morrow County, Ohio |
1901 |
| Atlas of Union County, Ohio |
1877 |
| |
|
| Map of Champaign County, Ohio |
1858 |
| Map of Champaign County, Ohio |
1894 |
| Map of Delaware County, Ohio |
1849 |
| Map of Franklin County, Ohio |
1856 |
| Map of Franklin County, Ohio |
1883 |
| Map of Franklin County, Ohio |
1895 |
| Map of Madison County, Ohio |
1862 |
| Map of Marion County, Ohio |
1852 |
| Map of Morrow County, Ohio |
1857 |
| Map of Union County, Ohio |
1870 |
| Map of Union County, Ohio |
1908 |
| |
|
| Union County U.S. Geological Survey Map |
1903-1916 |
| |
|
| Hixson Plat Map of Union County |
1928 |
| |
|
| Union County Native-American Burials |
1914 |