The old Pleasant Grove Fort.
U.P.T.L.A. Marker #133 – Old Pleasant Grove Fort gives some details about the fort and is located at the southeast corner.
The corners of the fort were located at:
- (Southeast) 300 South 300 East
- (Southwest) 300 South 100 West
- (Northwest) 100 North 100 West
- (Northeast) 100 North 300 East