Sheet L17,18,22,23 Horana Ceylon Edition reprinted Military Series sheet 74 Dehra Dun 1942. Published SGC. Surveyed in 1913-22; 1st Revision 1931-32. SDC Reprinted 15.4.41. Reprinted with addition of grid Dehra Dun 1942 (May). Heliozincographed SIO Dehra Dun. Reg.No.56 X.D.D.42–6,200. Gridded.