1. IOR/V/19/60
- Reference (shelfmark):
- IOR/V/19/60
- Title:
- Synopsis of the Results of the Operations of the Great Trigonometrical Survey of India, Vol 35, Descriptions and co-ordinates of the principal and secondary stations and other fixed points of the North East Longtitudinal Series of Triangulation or Series I of the North-East Quadrilateral. Dehra Dun, 1909
- Collection Area:
- India Office Records and Private Papers
- Languages:
- English
- Date Range:
- 1909
- Extent:
- 1 volume