Monongahela River Navigation System, Pennsylvania and West Virginia, Locks and Dams 7 and 8. Communication from the Assistant Secretary of the Army (Civil Works) Transmitting a Report ... on Monongahela River Navigation System, Pennsylvania and West Virginia, Locks and Dams 7 and 8 ... August 1, 1986. -- Referred to the Committee on Environment and Public Works and Ordered to be Printed with Illustrations


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