The Sandheads, False Point To Matla River. Bay of Bengal. Admiralty Chart 814. 25 July 1878. Scale 1:266,400. New Edition 11 December 1936. Large Correction 23 October 1970. Small Corrections to 1973 684 [printed], 1976 2358 [manuscript black] and 2523 [manuscript violet]. Printed June 1975.
Ceylon, East Coast, From 7° 20' N. To Point Pedro. Indian Ocean. Admiralty Chart 2031. 23 May 1888. Scale 1:303,300. Inset: Batticaloa Roads. Scale 1:18,140. New Edition 29 June 1934. Large Correction 7 February 1947. Small Corrections to 1975 843. Printed November 1976.