found: Management of the Hanford Engineer Works ... 1996:t.p. (Hanford Engineer Works) p. 1 (The Hanford Engineer Works was the plutonium production component of the Manhattan Project) p. 2 (Hanford Engineer Works (HEW))
found: Gerber, M. On the home front, 1997:p. 31 (On Jan. 1, 1947, the civilian Atomic Energy Commission took over from the military Manhattan Engineer District. The AEC simplified the name Hanford Engineer Works (HEW) to the Hanford Works (HW))
found: Wikipedia, April 3, 2018(Hanford Engineer Works (HEW) broke ground in March 1943; in September 1946, the General Electric Company assumed management of the Hanford Works under the supervision of the newly created Atomic Energy Commission)