1. Admiralty Chart No 1904. (1897). Megalo Kastron or Candia (Ancient Heraklea). From a survey of Mr. W.T. Chapman under the direction of Captain T. Graves (1843), with additions from a survey by Commander T.A.B. Spratt (1852), additions and corrections to 1897. Reproduced at the Admiralty, 28th Dec. 1897, under the superintendence of rear Admiral Sir W.J.L. Wharton, K.C.B.F.R.S. Hydrographer, Malby & Sons, London.