Recent maturity in human sense has extended the responsibility of national heritage bodies including extensive areas of archaeological and paleo-environmental landscapes, mostly unmapped from an archaeological perspective. In this respect, in an increasingly scientific age, geophysical prospection of one kind or another is widely regarded as part of the archaeological process, as integral to the interpretation of archaeological sites and landscapes as it is essential to the detection of archaeological features. Table 4.3 Feasibility of using GPR to explore variable archaeological features (after Conyers & Goodman, 1997)………………………………………………………82 XV CHAPTER 2 Electrical Resistivity 2.1