Blyth, F. G. H. <br/><br/>
Geological maps and their interpretation 

 - 2nd ed., metric. 
 - London :  Edward Arnold,  1976 
 - 48 p. :  maps. 
<br/><br/><label>ISBN: </label>0713125683 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Maps