1. IOR/V/23/16, No 80 Reference (shelfmark): IOR/V/23/16, No 80 Title: Selections from the reports of the Trigonometrical, Topographical and Revenue Surveys of India 1868-69. Calcutta: Supt. Govt. Printing, 1870 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1870 Extent: ii, 134p