1. Mss Eur F80/254 Reference (shelfmark): Mss Eur F80/254 Title: Scope & Content: North Eastern Trans-Frontier Sheet No. 7. 1 inch = 8 miles or 1:506,880. Surveyor General of India, Mar 1889. Shows Sikkim and Bhutan. Marked in ink with routes and spot heights. Folded, and labelled 'Sikkim and Bhutan'. Collection Area: India Office Records and Private Papers Languages: English Date Range: Unspecified Extent: Unspecified