Tamil Nadu departments publish five volumes documenting 70-year Great Trigonometrical Survey stations
Why in news: The Department of Survey and Settlement and Tamil Nadu State Department of Archaeology published five volumes documenting 70-year Great Trigonometrical Survey stations.
The Great Trigonometrical Survey was launched by Colonel William Lambton in 1802 and continued for 70 years until 1871. The five-volume documentation provides geo-coordinates for modern surveying while preserving historical sites.
Prelims pointers (3)
- PostColonel William Lambton launched the Great Trigonometrical Survey in 1802
- FactThe Great Trigonometrical Survey in Tamil Nadu lasted 70 years, ending in 1871
- BodyThe Department of Survey and Settlement and Tamil Nadu State Department of Archaeology published the documentation
Mains angle
Q. Discuss the importance of documenting historical surveying data in preserving cultural heritage while facilitating modern infrastructure development.
- Data integration: Merging colonial-era survey records with modern geo-spatial mapping for infrastructure
- Heritage preservation: Balancing the protection of historical survey stations with contemporary land use
Keywords: Geo-spatial data · Cultural heritage · Historical documentation · Surveying · Preservation