00513cam a22001692 4500 526.9 SUR General of India Survey 49888 India. 39679 Survey in war. Survey General of India 3d ed., Dehra Dun, Printed at the Geodetic Branch Office, Survey of India, 1939. xii, 167 p.: diagrs. 0 0 0 526_900000000000000_SUR MCE 379 Military topography. 39711 ddc BK 552631 552631 0 0 ddc 0 0 MCE MCE Archive Section 2015-01-20 0 526.9 SUR MCE-ECS/45 2015-01-20 2015-01-20 BK