Plate 13.3 Multibeam sonar image of the SS Storaa (1943) demonstrating the disadvantage of using a rendered surface,
which can give wrecks a false slab-sided appearance. (Courtesy of ADUS, University of St Andrews)Plate 13.4 Multibeam image of a prehistoric land surface at the base of the 8 m (28 ft) high underwater Bouldner Cliff
in the Solent, UK. The wreck of the 44 m (143 ft) long dredger Margaret Smith(1978) is included for scale. (Courtesy
of ADUS, University of St Andrews)9781405175913_7_Plates 5/7/08 6:27 PM Page 10