Survey of India. In upper left margin: Season 1918-1919. In upper right margin: Sheet 2. Published under the direction of Colonel C. H. D. Ryder, C.I.E., D.S.O., R.E., Surveyor General of India, 1920. Heliozincographed at the Survey of India Offices, Calcutta. In lower left margin: "Reg. No. 3450 D20. 500.".