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'10:00 A.M June 14, 1941.  Looking northwest at catalyst and caustic plants from tower No. 4. Photograph Number 139.'
'3:00 P.M. July 1, 1941.  Looking east at quenching station from tower No. 2. Photograph Number 141.'
'2:00 P.M. July 15, 1941.  Looking north-west at catalyst and caustic buildings from tower No. 4. Photographs No. 146.'
'U.S. Engineer Office, Corp of Engineers, U. S. Army, Pittsburgh, PA; Morgantown Ordnance Works, Morgantown, W. Va.; February 25, 1943; Shops and storage building No. 407.  Looking northeast.  E. I. Du Pont de Nemours and  Company - Contract W Ord-490 - Contract Date 11-28-40. Military Funds. No. 20583.'
'U.S. Engineer Office, Corp of Engineers, U. S. Army, Pittsburgh, PA; Morgantown Ordnance Works, Morgantown, W. Va., Interior Factory Building, 22 January 1944;  No. 21681.'
'U.S. Engineer Office, Corp of Engineers, U. S. Army, Pittsburgh, PA; Morgantown Ordnance Works, Morgantown, W. Va., Interior Caustic Plant, 22 January 1944;  No. 21684.'