Gonzalez, N.L <br/><br/>
Social and technological management in dry lands  past and present indigenous and imposed 

 - Colorado  Westview Press  1978 
 - xvi,199 p. 
<br/><br/><label>ISBN: </label>0891584382 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>630  / SOC