Some shelfwear to cover, one light corner crease, internally in very good condition. Contents include: The Columbus Landfall: voyage track corrected for winds and currents; Live Deep-Sea Expedition Video Coverage planned for scientists ashore; Losing Coastal Upland to relative sea-level rise: 2 scenarios for Massachusetts; Chernobyl: oceanographic studies in the Black Sea; Submersibles for scientists; Mass Extinctions: volcanic, or extraterrestrial causes, or both?; Photosynthesis found in some single-cell marine animals; The Institute for Naval Oceanography; Plastic in the north Atlantic.