Report for the period 1954-1959 / Naval Hydrographic service - Dehra Dun : Naval Hydrographic office, 1960 - 10, [2] p. : ill., maps(fold) ; 25 cm. Appendix : p. 7-10 Subjects--Topical Terms: Hydrography--India Subjects--Geographic Terms: Indian Ocean Dewey Class. No.: 551.467