Avilés Cordero, Isidoro. <br/><br/>
A study of the costs and effects of irrigation in the planning and implementation of the Lajas Valley agricultural development programme 
by Isidoro Avilés Cordero. 
 - Washington, D.C.  U.S. Dept. of the Interior, Office of Water Resources Research  1972. 
 - vi, 139 leaves  ill., maps  28 cm. 
<br/><br/> Tables.  "Project A-024-PR".  "May 31, 1972". 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigation--Costs.--Puerto Rico--Lajas<br/>Irrigation--Planning.--Puerto Rico--Lajas<br/>Irrigation--Management.--Puerto Rico--Lajas