This is a good website for help that I have used in the past.
http://www.spanamwar.com/Have you tried the Georgia State Archives and see if they have a Veterans Museum?
http://www.georgiaencyclopedia.org/articles/history-archaeol...Ancestry has a scanned image of the Military headstone ordered for him for his burial in the Saint Augustine National Cemetery in 1933.
Filed for a Pension:
https://familysearch.org/search/record/results?count=20&...