Recreational boating safety and facilities : hearings before the Subcommittee on Coast Guard and Navigation of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-sixth Congress, first session on H.R. 4310, a bill to amend the Federal Boat Safety Act of 1971 to improve recreational boating safety and facilities through the development, administration, and financing of a national recreational boating safety and facilities improvement program, and for other purposes, July 17, 1979--Washington, D.C., August 29, 1979--Rochester, N.Y.