1. IOR/F/4/1839/76719 Reference (shelfmark): IOR/F/4/1839/76719 Title: Scope & Content: Papers regarding the survey of the Gulf of Mannar and the opening of the Pamban Channel (includes return of shipping using the Pamban Channel, 1837-Jul 1839, and 'Plan of the Canal through the Reefs at Pamban, MS, coloured, scale 1''=100 feet) Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1839-Oct 1839 Extent: 1 file