Search Results       Your search for [subject]Geology -- Copper -- Botolan, Zambales, Philippines returned 1 record.           Geology of the Botolan copper mine, Botolan, Zambales. by Samaniego, S.; Manila, Philppines: Philippine Bureau of Mines in cooperation with the United States Geological Survey under the Auspices of the United States International Cooperation Administration and the Philippine Council for United States Aid, 1956. Subject: Geology -- Copper -- Botolan, Zambales, Philippines; Geology.          Add to Book Cart Relevance: 34.12%