The Mineral Resources of the Philippine Islands: With a Statement of the Production of Commercial Mineral Products During the Year ...Bureau of Printing, 1911 - Mines and mineral resources |
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20 kilometers Ambos Camarines amount Analysis andesite Aroroy average Baguio Batan Island beds Benguet boulders brick Bulacan Bureau of Science Catanduanes Cebu cent clay coal field coal seams coast coke copper country rock Creek cubic meter cyanide Danao deposits depth division of mines East Batan F. T. EDDINGFIELD feet fissures formation geology grade gravel ground hematite Huntington mill igneous rock installed intrusions iron irregular kiln labor limestone located Luzon Mambulao manganese Manila Masbate meters thick Mindanao Mindoro mineral district MINERAL RESOURCES Mining Company Nalasvetan natives Nueva Ecija occurs operations outcrop oxidized Pangasinan Paracale Paracale dredge pesos pesos Philippine currency pesos worth Philippine coal Philippine Islands places Polillo present probably production pump quartz reported River sample San Mauricio sandstone schist sea level sedimentaries shaft shales shows Spanish surface tank Tayabas Tertiary tests timber Tumbaga values vein Volatile combustible winze Zamboanga