Sharpsburg, MD, USA - April 10, 2016: A monument of the 7th Regiment Pennsylvania Reserve Volunteer Infantry on the Antietam Battlefield.

- Image ID: RD3R0F

Sharpsburg, MD, USA - April 10, 2016: A monument of the 7th Regiment Pennsylvania Reserve Volunteer Infantry on the Antietam Battlefield.

George Sheldon / Alamy Stock Photo

Image ID: RD3R0F