Search Results       Your search for [subject]Iron ores -- Minerals -- Surigao, Philippines returned 1 record.           Notes and resume of studies on Surigao iron ores. by Abad, Leopoldo F.; Manila, Philppines: Department of Agriculture and Natural Resources. Bureau of Mines, 1948. Subject: Engineering, Mining -- Surigao, Philippines; Iron ores -- Minerals -- Surigao, Philippines; Minerals -- Iron ores -- Surigao, Philippines.          Add to Book Cart Relevance: 36.52%