Humphrey, Robert Regester. <br/><br/>
Arizona range grasses; their description, forage value and management 

 - Tucson :  University of Arizona,  1970 (c.1956) 
 - 159 p.  : ilus. 
<br/><br/><label>LCCN: </label>17374 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pastos.
<br/><br/><label>Dewey Class. No.: </label>633.2  / H8