opportunities and challenges : hearing before the Subcommittee on Surface Transportation and Merchant Marine Infrastructure, Safety and Security of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifteenth Congress, second session, April 24, 2018 United States Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Surface Transportation and Merchant Marine Infrastructure, Safety, and Security, creator text bibliography Legislative hearings. dcu 2020 monographic eng 1 online resource (iii, 59 pages). GPO Cataloging Record Distribution Program (CRDP). Includes bibliographical references. n-us--- Harbor Maintenance Trust Fund (U.S.) United States. Maritime Administration. United States. Federal Maritime Commission. Shipping United States Shipbuilding industry United States Harbors United States Maintenance and repair Finance Y 4.C 73/7:S.HRG.115-774 Y 4.C 73/7:S.HRG.115-774 United States. Congress. Senate. https://purl.fdlp.gov/GPO/gpo133654 https://purl.fdlp.gov/GPO/gpo133655 https://purl.fdlp.gov/GPO/gpo133654 https://purl.fdlp.gov/GPO/gpo133655 PUCPR 200318 20200428222157.0 on1145126499 eng