The Mineral Resources of the Philippine Islands

Ambos Camarines amount andesite Aroroy average Baguio Batan Island Benguet brick Bulacan Bureau of Science Cagayan calcite Cebu cement cent claims clay coal coal fields coast construction contains copper cost cubic meter cyanide Danao deposits division of mines dredge east Eddingfield feet Ferguson geology gold gravel ground igneous Igorots Ilocos Norte important inch industry iron Journ kiln kilometers lime limestone located Luzon manganese Manila manufacture Marinduque Masbate material mill Mindanao Mindoro MINERAL RESOURCES Mining Company mining district native obtained occurs operations outcrop oxide Pangasinan Paracale Pasig Peninsula pesos petroleum Philippine coal Philippine currency Philippine Islands places plant plates present probably production Province quantity quarry quartz reported River rock Romblon salt sample sand sandstone schist seams shale silica solution stone streams sulphur surface Surigao TABLE tank Tayabas tests thickness timber tion Total transportation Tumbaga valley veins