[Committee hearings] serial, 89th Congress. 30. Vessel exchange program and other maritime matters (determination of navigability of Alaskan inland waters for State selection purposes, extension and expansion of vessel exchange program, and medical aid for merchant seamen), hearing before Subcommittee on Merchant Marine and Fisheries, 89th Congress, 1st session, on S. 945, S. 1917, S. 2069, June 11, 1965.