Raisz, Erwin. <br/><br/>
Land from maps ; a method of preparation 

 - (s.l.) :  Office of Naval Research. Geography Branch,  1959 
 - 23 h.  : ilus. 
<br/><br/> copia xerográfica 
<br/><br/><label>LCCN: </label>43289 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología--Mapas.<br/>Suelos--Mapas.