http://pec.lib.wvu.edu/record/P39111944-1954Monongahela River ...Serial. Printed Ephemera Collection has: 1944-1952, 1954. Issuing body varies: 1944, War Department, United States Engineer Office; 1945-1946, War Department, Corps of Engineers, Office of the District Engineer, Pittsburgh District. United States. Army. Corps of Engineers. Pittsburgh District.Freight and freightage--Monongahela River (W. Va. and Pa.)Monongahela River (W. Va. and Pa.)14256