Waste disposal in the coastal waters of New York harbor : hearing before the Subcommittee on Rivers and Harbors, Committee on Public Works, House of Representatives, Ninety-first Congress, second session on H.R. 15915 to amend the Act of June 29, 1888, relating to the prevention of obstructive and injurious deposits in the harbor of New York, to provide for the termination of certain licenses and permits, February 23, 1970, at Sandy Hook, N.J.