Wooldridge, D.D.  <br/><br/>
Manual on land use survey and capability classification for upland watersheds  (Book) 

 - Laguna, Philippines  Asean-US Watershed Project  1990 
 - various pagings  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land capability for agriculture--Classification Watersheds
<br/><br/><label>Universal Decimal Class. No.: </label>551.437 WOO  / 12088