Booy, Theodoor de <br/><br/>
The  western Maracaibo lowland, Venezuela 

 - New York  American Geographical Society  1918. 
 - 481-500  ill., fold. map  26cm. 
<br/><br/> Reprinted from The Geographical Review, Vol. 6, No. 6, December 1918. 
<br/><br/><label>Dewey Class. No.: </label>Pam 918.72  / WI Boo