1. IOR/V/20/199 Reference (shelfmark): IOR/V/20/199 Title: Geological Survey of India Bulletins Series A: Economic Geology, 3. Report on glass-making sands in parts of Vindhya Pradesh, Uttar Pradesh and Rajasthan. D.R.S. Mehta. 1951 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1951 Extent: 1 volume