Looking for unit history of the 307th Service Battalion, and need professional help. This was a black labor battalion.I can only find 3 references. 1) On my relatives tombstone, John Briscoe, which was a veterans memorial. 2) New York Times article stating the 307th would return on the Troopship Santa Barbara, New York, May 26, 1919. 3)An article in 2004 about the family of aBlack veteran, Willie Durr, in Biloxi Miss gitting reburied into the Veterans Cemetery. Both my relative above and John Durr appeared to have been gassed. And for Genealogical purposes, at an upcoming family reunion, I'd like to be able to state definitively about the 307th, and how a labor battalion suffered from a Gas attack. I have a terrible suspicion they were in the graves registration detail, and were rushed to go get bodies before the air was clean. I'd like to know. BTW,I have a copy of the wonderful "The A.E.F." by Willis Rowland Skillman, in those back page 180-182 where all the Division/Regiment information, no mention of 307th Service Battalion.