TY - BOOK AU - TI - A study of the costs and effects of irrigation in the planning and implementation of the Lajas Valley agricultural development programme PY - 1972/// CY - Washington, D.C. PB - U.S. Dept. of the Interior, Office of Water Resources Research KW - Irrigation KW - Puerto Rico KW - Lajas KW - Costs KW - Local KW - Planning KW - Management N1 - Tables; "Project A-024-PR"; "May 31, 1972" ER -