1. IOR/F/4/1350/53604 Reference (shelfmark): IOR/F/4/1350/53604 Title: Scope & Content: Lieutenant Robert Cogan's trigonometrical survey of Bombay harbour with memorandum on the same, are forwarded by the Bombay Government to the Court of Directors (a copy of the memorandum is on pp 4-13) Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1829-May 1832 Extent: 1 file