1. IOR/V/23/2, No 10 Reference (shelfmark): IOR/V/23/2, No 10 Title: Papers on the coal of the Nerbudda Valley, Tenasserim Provinces, and Thayat-Myo. Calcutta: Calcutta Gazette Office, 1856 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1856 Extent: 107p, sketch map