Search Results       Your search for [subject]Marshes -- Philippines -- Agusan del Sur returned 1 record.           Resource at risk. Makati: Bookmark, 2000. Subject: Agusan River Basin -- Conservation; Marshes -- Philippines -- Agusan del Sur; Wetlands -- Philippines -- Agusan del Sur; Wetland ecology -- Philippines -- Agusan del Sur; Wetland conservation -- Philippines -- Agusan del Sur; Manobos -- Social life and customs; Environmental sciences.          Add to Book Cart Relevance: 39.53%