Series L7010. Surveyor-General, Federation of Malaya/Director of National Mapping, Malaysia/D Survey, War Office and Air Ministry, on behalf of Surveyor-General, Federation of Malaya.
HIND 1028. Surveyor General of India, [1942]. Surveyed August 1942. Surveyed No 3 India Field Survey Company. Scale 1 inch to 0.095 miles or 1:6,000. Published SGI. HIND 1028. Helio SIO Dehra Dun. Reg.No.337 X D.D.'42 (E.C.5 D.O.) 1,500. Maldive-Chagos Grid (Yards).