http://pec.lib.wvu.edu/record/P144851983Public information fact sheet, Monongahela River Navigation System, Locks and Dams 7 and 8.<p> Pamphlet.</p>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. 14256