The Great Trigonometrical Survey
A Miniature Sheet consisting of 3 nos of commemorative postage stamps on the Great Trigonometrical Survey, project to measure entire Indian sub-continent with scientific precision by Survey of India : Nain Singh Rawat and Radhanath Sikdar : Issued by India Issued on Jun 28, 2004 Issued for : The
- 660
- 0
- 0