| Image | [1] | Marker name | Location | City or town | Summary |
|---|---|---|---|---|---|
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08.1963.1 | New Purchase Boundary (Treaty of St. Mary's) | US 421 40°35′28″N 86°42′00″W / 40.591111°N 86.7°W | Pittsburg |
| Image | [1] | Marker name | Location | City or town | Summary |
|---|---|---|---|---|---|
Upload Photo |
08.1963.1 | New Purchase Boundary (Treaty of St. Mary's) | US 421 40°35′28″N 86°42′00″W / 40.591111°N 86.7°W / 40.591111; -86.7 (New Purchase Boundary (Treaty of St. Mary's)) | Pittsburg |