Sheet M20,25,N16,21 Panama Ceylon Edition reprinted Military Series sheet 78 1942. Published SGC. Surveyed in 1902-22; 1st Revision 1938. SDC Reprinted 30.3.42. Reprinted Dehra Dun 1942 (May). Heliozincographed SIO Dehra Dun. Reg.No.40 X.D.D.42'6,200. Gridded.