1. IOR/V/27/69/14A Reference (shelfmark): IOR/V/27/69/14A Title: Montgomerie, T G, Report on the trans-Himalayan explorations in connection with the Great Trigonometrical Survey of India during 1870. Dehra Dun, 1871 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1871 Extent: 1 volume