Sheet 58D [Trivandrum] Provisional Issue 1915. Madras: Travancore State. Compiled from Indian Atlas sheet 63. From surveys 1816 to 21. Corrected 1915 so far as information from Extra-Departmental sources was available. Heliozincographed SIO Calcutta. Reg.No.2114 D.15, S.I, 300. Black print, boundaries coloured.