Secretaria De Agricultura <br/><br/>
National water plan commission 

 -  Secretaria De Agriculturay Recursos Hidraulicos  1975 
 - 97 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>National water plan
<br/><br/><label>Dewey Class. No.: </label>556(084.3)(72) S27M