A study of manganese nodules, crusts and deep-sea sediments in the Northern Cook Islands central line islands and adjacent high seas. Cruise report of the Crossgrain Expedition, Leg 3, Papeete, Tahiti to Hilo, Hawaii, 29 April- 3 June 1987 - Cronan, D. S. (Cruise report (Committee for Co-ordination of Joint Prospecting for Mineral Resources in South Pacific Offshore Areas) ;, 1987)