Sub-bottom survey of Porto Longo harbour, Peleponnesus, Greece

( Under the general direction of Dr Spiridon Marinatos, Peter Throckmorton, in collaboration with Dr Harold Edgerton of Massachusetts Institute of Technology and Dr E. T. Hall of the Research Laboratory for Archaeology at Oxford undertook the further exploration of Porto Longo harbour in 1969–70. (See Old World Newsletter, p. 196) The following report gives the results of the 1970 campaign .
As there is some ambiguity of nomenclature in the field of bottom surface scanning and sub-bottom profiling, we adopt here the most technically precise usage both in relation to the equipment and its application. "Sonar" is often loosely used for any undersea scanning employing a sound source but is better reserved for sound scanning of seabed surface features . Ed.)