1. IOR/V/23/21, No 106 Reference (shelfmark): IOR/V/23/21, No 106 Title: Extracts from the reports of the Trigonometrical, Topographical and Revenue Surveys of India for 1871-72. Calcutta: Supt. Govt. Printing, 1873 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1873 Extent: iv, 174p