Search Results       Your search for [subject]Water resources development -- Philippines -- Ilog River Watershed (Negros Island) returned 1 record.           A report on the Ilog-Hilabangan River Basin, Negros Island, Philippines _ Ilog-Hilabangan River Basin, Negros Island, Philippines. [Manila]: 1966. Subject: Water resources development -- Philippines -- Ilog River Watershed (Negros Island); Water resources development -- Philippines -- Hilabangan River Watershed.          Add to Book Cart Relevance: 50.73%