Allum, J. A. E. <br/><br/>
Photogeology and regional mapping 

 - Oxford  Pergamon Press  1966 
 - xii,107p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aerial photography in geology
<br/><br/><label>LC Class. No.: </label>QE36.A4