Engineering geological maps :  a guide to their preparation 

 - Paris :  Unesco Press,  1976 
 - 79 p. : ill. ; 30 cm. 
 - Earth sciences ;  v.15 .
<br/><br/><label>ISBN: </label>9231012436 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering geology--Maps<br/>Geological mapping