Abra soils/ land resources evaluation project :  The physical environment / 
Bureau of Soils and Water Management Agricultural Land Management and Evaluation Division 
 - Philippines :   Bureau of Soils and Water Management Agricultural Land Management and Evaluation Division,  1986 
 - 142 pages :   illustrations, graphs ;  27 cm  
 - The Physical Environment  Vol. 1, Abra,1986 .
<br/><br/> Includes glossary.  
<br/><br/>List of tables -- List of figures -- Introduction -- Geology/ Geomorphology -- Soils and Physiography -- Present land use and vegetation -- Climate -- Water resources -- Agro-hydrology -- Soil erosion -- Livestock and pasture management 
<br/><br/><br/>English  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--Geographical distribution<br/>Land--Soils--Land--Soils--Periodicals
<br/><br/><label>LC Class. No.: </label>QH84.8   / A27 1986