Proceedings of the ocean drilling program. Vol.121, Scientific results. Broken ridge and ninety east ridge / Edited by: L.H. Deamont - Washington D.C. : National science Foundation , 1991 - 99 p. +Supp Subjects--Topical Terms: Submarine geology--Periodicals.Borings--Periodicals.Underwater drilling--Periodicals. Subjects--Index Terms: Brocken ridge Ninety east ridge Ocean drill Proceeding Scientific result Dewey Class. No.: 551.46/08 / PRO(121) 1991