There are many small family cemeteries in the Waldron area. Maybe if you gave his name, someone may have come across it. I know there was a soldier that was buried in the Bull Cemetery in Dayton Arkansas. He was injured in the war and came to the Bull land and died there. The Bull family buried him in what was later recognized as the Bull Family Cemetery. The Bull cemetery is in Sebastian County, but it is very possible that the same may have happened to your ggg-grandfather. I do have a "Scott County Family History Book" published by Wanda Newberry Gray, and there is another "Family" book in the library at Fort Smith, Ark. Wanda has done extensive research on the cemeteries in Scott & Sebastian County Arkansas. She was the Historian in Scott County for a while. Let me know if you would like her address. Good luck, hope you search is successful.