Search Results       Your search for [subject]Geology -- Rivers -- 1963-1966 -- Upper Pampanga River, Philippines returned 1 record.           Land classification and supporting studies on the Upper Pampanga River Project. Quezon City, Philippines: National Irrigation Administration and U.S. Department of the Interior Bureau of Reclamation, 1971. Subject: Earth Science -- Rivers -- 1963-1966 -- Upper Pampanga River, Philippines; Soil classification -- Upper Pampanga River, Philippines; Geology -- Rivers -- 1963-1966 -- Upper Pampanga River, Philippines; Land classification -- Rivers -- 1963-1966 -- Upper Pampanga River, Philippines.          Add to Book Cart Relevance: 59.09%