Hawley, Ralph Chipman. <br/><br/>
The practice of silviculture :  with particular reference to its application in the United States 
/por Ralph C. Hawley 
 - New York, E.U.A. :  John Wiley & Sons,  1921 
 - xi, 352 p. :  ilus. 
<br/><br/> Edición facsimilar 
<br/><br/><label>LCCN: </label>102949 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Silvicultura--E.U.A.
<br/><br/><label>Dewey Class. No.: </label>634.909  / H16y