1. IOR/V/19/250 Reference (shelfmark): IOR/V/19/250 Title: Survey of India Technical Paper No. 1, Towards a national survey: relations between the Survey of India and provincial survey departments. G.F. Heaney. 1948; Survey of India Technical Paper No. 2, Value of gravity at Dehra Dun. B.L. Gulatee. 1948 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1948 Extent: 1 volume