Scale 1 inch = 80 miles or 1:5,068,800. Surveyor General of India, 1929. Inset: Ceylon. Scale 1 Inch = 80 Miles. Inset: Calcutta. Scale 1 Inch = 2½ Miles. Heliozincographed at the Survey of India Offices, Calcutta. Reg. No. 1387 D. 29 – 5000. Political colouring.
Scale 50 Miles to 1 Inch. Surveyor General of India, 1928. Provisional Issue, reprinted 1942. Scale 1:3,200,000. Provisional Issues 1928, 1937. Reg. No. 2900. D'.23–1250–1,000'39–500–2,000'42. Heliozincographed at the Survey of India Offices, Calcutta. Political colouring, with hill shadi...