livingston burton e <br/><br/>
The  Distribution of vegetation in the united states , as related to climatic conditions  

 -  publiched by the carnegie institution of washington  1921 
 - xvi,590p. :   ill . map  ;   28 cm  
<br/><br/><label>Subjects--Topical Terms: </label><br/>science
<br/><br/><label>Universal Decimal Class. No.: </label>11  / X4