Madras / published under the direction of Colonel Sir S.G. Burrard, K.S.C.I., R.E., F.R.S., Surveyor General of India, 1917.Survey of India19--]"Heliozincographed at the Survey of India Offices, Calcutta." in lower right margins."Seasons 1915-16" and "Surveyed 1915-16" in upper left margins.Includes index to sheets, index to districts.No. 57 O/15. Chingleput & Chittoor Districts [Sheet 1] -- Ncartographic