Duncklee, John P. <br/><br/>
Cattle raising and adaptation to drought by cattlemen in the Altar Valley, Pima County, Arizona 

 - (s.l.) :  University of Arizona,  1967 
 - 93 h. 
<br/><br/>Tesis (Master of Arts) -- University of Arizona. Department of Geography 
<br/><br/><label>LCCN: </label>22851 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ganadería--Arizona.<br/>Ganado--Efecto del clima.<br/>Temperatura--Efecto en ganado.