Fort DeRussy - Credit: Wikimedia Commons
Fort DeRussy, located south of Alexandria, Louisiana, and four miles (6 km) north of Marksville, was a Confederate earthwork stronghold during the American Civil War. It was built in 1862 to defend the lower Red River Valley in Louisiana. Located in Avoyelles Parish, the fort, cemetery and water batteries were designated as a state historic site in 1994.Fort DeRussy official website, Friends of Fort DeRussy"Fort DeRussy State Historic Site", Civil War Trust The fort and the water battery were listed on the National Register of Historic Places in 2016. With 14 modern and historic maps and 34 photos Read more on Wikipedia
Source: en.wikipedia.org