You are hereHome Letter from O. R. Yoder, Superintendent of Ypsilanti State Hospital Camps: CPS Camp Number 090Units: CPS Unit Number 090-01Workers: CPS Worker 010561 - Troyer, Lotus E. Letter from O. R. Yoder, Superintendent of Ypsilanti State HospitalNotes: --Taken from "Ypsilanti State Hospital Corr. 1943," folder 12, series IX-6-3. MCC Records Collection, Akron, PA.