Wooldridge, David D. <br/><br/>
Manual on land use survey and capability classsification fro upland watershes 
David D.Wooldridge 
 - Laguna, Philippies  Asean-Us Watershed Project  1990 
 - 1v (various paging) ; 26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Watersheds<br/>Land use