From the record
“Fort Barrington, briefly renamed Fort Howe after its capture, was a mid-18th-century frontier fort. It was used and garrisoned for several conflicts, including between the British, Spanish, and Native Americans; during the American Revolution; and during the American Civil War.”
Wikipedia article Fort Barrington, CC BY-SA 4.0.
One of 10 National Register listings published here for McIntosh County · listed in 1972 · category: Site.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service