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Indiana Historical Bureau

IHB > Historical Markers > Find a Marker > 10 O'Clock Treaty Line 10 O'Clock Treaty Line

10 O'Clock Treaty Line

Location: US 40 westbound, 0.5 mile east of Putnam-Clay County line. (Putnam County, Indiana)

Erected by Indiana Sesquicentennial Commission, 1966

ID# : 67.1966.1


Runs northwest-southeast through this point. On September 30, 1809, Indiana Territorial Governor, William Henry Harrison, obtained for the United States almost three million acres from the Potawatomi, Delaware and Miami tribes.


American Indian/Native American, Early Settlement and Exploration