Search Results       Your search for [author]Tupas, Mateo H., 1918- returned 1 record.           Exploration for disseminated copper deposits in humid, mountainous tropical terrain, Sto. Nino, Mountain Province, Philippines. by Tupas, Mateo H., 1918-; Manila: [Philippine Bureau of Mines], 1967. Subject: Copper mines and mining -- Philippines.          Add to Book Cart Relevance: 27.78%