From the record
“Fort Arbuckle was constructed by the US Army in 1850 to counter raids by Plains Indian tribes on immigrant trains heading west to California and on the settlements of Choctaw and Chickasaw nations in Indian Territory.”
Wikipedia article Fort Arbuckle (Oklahoma), CC BY-SA 4.0.
One of 12 National Register listings published here for Garvin County · listed in 1972 · category: Site.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service