"Public information fact sheet, Monongahela River Navigation System, Locks and Dams 7 and 8."; "United States. Army. Corps of Engineers. Pittsburgh District."; "Dams--Monongahela River (W. Va. and Pa.)--Planning.", "Locks (Hydraulic engineering)--Monongahela River (W. Va. and Pa.)--Planning. "; "United States. Army. Corps of Engineers. Pittsburgh District."; "1983"; "

Pamphlet.

"; ""; "P14485"; "pec"; "Dams--Monongahela River (W. Va. and Pa.)--Planning.", "Locks (Hydraulic engineering)--Monongahela River (W. Va. and Pa.)--Planning. "; "14256"; .