History, asked by vibhutisehgal6, 1 year ago

Who started conducting surveys in india and why?

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Answered by navya01chandana

Answer:

Great Trigonometrical Survey (1802–1852) was started by British surveyor Col. William Lambton on 10 April 1802 from St. Thomas Mount in Chennai to foothills of Himalayas. 36 inch huge half ton weight Theodolite was used, which took 57 days to measure the 12-km base line.

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