Cagayan Valley :  Abulog River basins / 
National Water Resources Council 
 - Philippines :  National Water Resources Council,  c. 1980 
 - xiii, 161 pages :  maps, graphs ;  28 cm. 
 - Framework Plan  Report No. 24-2A, September 1980 .
<br/><br/> Includes bibliographies  
<br/><br/>Foreword -- Table of contents -- List of tables -- List of figures -- Summary and recommendations -- Introduction -- Objectives of development -- Area profile -- Water and related land resources -- Present and future development and resources needs -- Economic sectors -- Water resource development framework -- Appendices -- References 
<br/><br/><br/>English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydraulic engineering--River, lake, and water-supply engineering<br/>History and country divisions--Philippines
<br/><br/><label>LC Class. No.: </label>TC513.5  / C34 1980