Roster of officers, Camp Travis, Texas, about 1920: Clarkson, Herbert S., Lt. Col. QMC.
Image · dated c1920 · source: NARA RG 64 roster, FamilySearch image.

How it is shown: Complete image as saved; no crop, no retouch, no search highlight.
Keep in mind: Name and rank only; identity with Herbert Slayden is Likely; the surname is partly hidden by a fold.