[Committee hearings] 91st Congress. 13. National oceanographic program, 1969, hearings before Subcommittee on Oceanography, 91st Congress, 1st session, on report by Commission on Marine Science, Engineering, and Resources entitled Our Nation and the Sea, and H.R. 13247, H.R. 14089, H.R. 14418. pt. 2. Aug. 5-Oct, 21, 1969.