Food and Agriculture Organization of the United Nations  <br/><br/>
Soil survey investigations for irrigation / FAO. Land and Water Development División. Soil Resources Development and Conservation Service, United States. Department of the Interior. Bureau of Reclamation  

 -  1986 
<br/><br/> 1  Circulación y Préstamo 
<br/><br/><label>Dewey Class. No.: </label>631.47/F662