Dunning, Frederick Weir <br/><br/>
Geophysical exploration :  an outline of the principal methods used in the search for minerals, oil, gas and water supplies / 
F W Dunning 
 - London :  Her Majesty's Stationary Office,  1970 
 - 70 p. :  ill. ;  20 cm. 
<br/><br/><label>ISBN: </label>0118800612 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prospecting--Geophysical methods