TY - BOOK AU - Dunning,F.W. ED - Museum of Practical Geology (Great Britain) TI - Geophysical exploration: an outline of the principal methods used in the search for minerals, oil, gas and water supplies SN - 0118800612 PY - 1970/// CY - London PB - H.M.S.O. KW - Prospecting KW - Geophysical methods N1 - At head of title: Natural Environment Research Council, Institute of Geological Sciences, the Geological Museum; Textual and visual reproduction of an exhibit on the methods of geophysical exploration opened in 1968 at the Geological Museum ER -