This website has the troops at Camp Wadsworth were from New York of the 27th Division (old 6th).
The men from SC were either at Camp Jackso with the 81st Division or at Camp Sevier with the 30th Division (old 9th)
http://freepages.military.rootsweb.ancestry.com/~worldwarone...Main website
http://freepages.military.rootsweb.ancestry.com/~worldwarone...According to schistory.net the units were the 6th, 27th, 96th, plus Non Divisional and Base troops.
http://www.schistory.net/campwadsworth/units.htmlDoes he have a military headstone with any unit information? Ancestry has applications for headstones with service information on card if not on stone.
Look for books at
www.archive.org