Stone Sentinels, battlefield monuments of the American Civil War

O. T. Riley Monument

Dedicated in 1927, the Reilly monument is across from the park Visitor Center in front of a private home.
see map

 

From the monument:

 

To the memory of the
Old Dunkard Church

The oak tree that stood
in front and the Union
Civil War Veterans of
Sharpsburg, Maryland

 

Erected by O. T. Reilly the
Half-Century Antietam
Battlefield Guide 1927