00643cam a2200193 7i4500 0000000418 20060420090000.0 19980805141900.0 xx 00010 eng 0872013219 TN269 .N38 1983 Nelson New technologies in exploration geophysics H. Roice Nelson. London: Gulf Publishing Co., 1983. xi,281p.: ill.(col.); 24 cm. Includes bibliographical references and index Prospecting -- Geophysical methods Geophysical instruments 0000007574 Book Open Shelf HQ Library