1. IOR/L/E/7/1558, File 476 Reference (shelfmark): IOR/L/E/7/1558, File 476 Title: File 476 Invitation to Senior Officers of Geological Mining Services in India, to attend, when in England meetings of Advisory Council on Minerals Collection Area: India Office Records and Private Papers Languages: English Date Range: 18 Jan 1929-18 Feb 1929 Extent: 1 file