by India. Great Trigonometrical Survey, James Thomas Walker, Charles Thomas Haig, James Palladio Basevi, William James Heaviside, J. Eccles, William Maxwell Cambell, George Strahan, William Hammond Cole, Sir Sidney Gerald Burrard
by India. Great Trigonometrical Survey, James Thomas Walker, Charles Thomas Haig, James Palladio Basevi, William James Heaviside, J. Eccles, William Maxwell Cambell, George Strahan, William Hammond Cole, Sir Sidney Gerald Burrard
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