Maintaining the health and productivity of the Gulf of Mexico : hearing before the Subcommittee on Oceanography, Gulf of Mexico, and the Outer Continental Shelf of the Committee on Merchant Marine and Fisheries, House of Representatives, One Hundred Third Congress, first session, on coordination between the federal government, the states, and civilian communities to sustain and develop the natural resources of the Gulf of Mexico, April 23, 1993, Corpus Christi, Texas.