Bolton, T. <br/><br/>
Geological maps :  their solution and interpretation / 
T. Bolton. 
 - Cambridge, Eng. :  Cambridge University Press,  1989. 
 - xii, 144 p. :  ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0521361583 
<br/><br/><label>LCCN: </label>93002375     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Maps.