Erosion map, land resources evaluation proj. province of Zambales - Philippines. Bureau of Soils and Water Management (Manila Bureau of Soils and Water Management, 1987)
Sources : AMS topographic map series scale 1:250,000, compiled in 1954, Road map of Zambales province provided by MPWH Zambales scale 1:50,000 and land resources data provided by Agricultural Land Mgnt. and Evaluation Div., Bureau of Soils and Water Mgnt.
Keywords: Erosion -- Philippines -- Zambales -- Maps