Waterway user charges : hearing before the Subcommittee on Water Resources of the Committee on Public Works and Transportation, House of Representatives, Ninety-fifth Congress, first session, July 18, 1977.
United States.Congress.House.Committee on Public Works and Transportation.Subcommittee on Water Resources.
Washington : U.S. Govt. Print. Off.,
1977.
"(95-24)."
Inland water transportation
Inland navigation