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Abella Abra Albay Ambos Camarines American amount analyses andesite Angat archipelago assays Baguio Batan Island beds Benguet Bulacan Camarines carbon Cebu cent clay coast concessions copper Danao deposits diorite district dredge east eastern engineer extent feet field Filipinos formation furnace geological gold mines gravel igneous Igorots Ilocos Norte important inches industry iron Jolo kaolin known labor Lepanto lignite limestone located Luzon Mambulao Mancayan Manila Marinduque Masbate metal meters miles mill Mindanao Mindoro mineral resources mining bureau mountain natives Nueva Nueva Ecija obtained occur operations outcrop oxide Paracale pearl Philippine coals Philippine Commission Philippine Islands pounds present probably prospecting prospectors province pyrite quantity quartz region River rock samples seams shells smelting Spanish springs stream sulphur Surigao survey Suyoc Tayabas thickness timber tion tons trachyte transportation tunnel veins volatile volcanic
Seite 37 - All valuable mineral deposits in lands belonging to the United States, both surveyed and unsurveyed, are hereby declared to be free and open to exploration and purchase, and the lands in which they are found to occupation and purchase, by citizens of the United States...
Seite 441 - Place 1 gram of fresh, undried, powdered coal in a platinum crucible weighing 20 or 30 grams and having a tightly fitting cover. Heat over the full flame of a Bunsen burner for seven minutes. The crucible should be supported on a platinum triangle, with the bottom 6 to 8 centimeters above the top of the burner.
Seite 311 - It is to be hoped that no time will be lost in developing this and the adjoining claims, as they offer considerable future promise.
Seite 543 - The Commission is in receipt of a petition from a button factory established a few years ago in Manila, requesting that in order that it may continue to operate without losing money the duties already prescribed by the present customs tariff (Act of Congress of March 3, 1905), in paragraph 345, be decidedly increased. Petitioners also request that the duties upon shells imported into these islands be removed, that the duties upon brass shanks and rings under paragraph 69 (6) be reduced, and that...
Seite 547 - Any person who violates the provisions of this Act shall upon conviction be punished by a fine not exceeding $300 or imprisonment for not exceeding six months, or by both such fine and Imprisonment.
Seite 109 - Mining Bureau ; to make a collection of models, drawings, and descriptions of the mechanical appliances used in mining and metallurgical processes; to preserve and so maintain such collections and library...
Seite 543 - Provided, That no article of this paragraph shall pay a less rate of duty than twenty-five per centum ad valorem.
Seite 549 - ... shall be punished by imprisonment not exceeding six months or by a fine not exceeding one...
Seite 549 - ... any licensed vessel shall be found in the waters to which this act applies having on board apparatus or implements suitable for taking seals, but forbidden then and there to be used, it shall be presumed that the vessel in the one case and the apparatus or implements in the other was or were used in violation of this act until it is otherwise sufficiently proved. SEC.
Seite 469 - High-grade clays show a percentage of silica, alumina, and water, approaching quite closely to those of kaolinite. 2. The refractoriness of the clay, for, other things being equal, the greater the total sum of fluxing impurities, the more fusible the clay. 3. The color to which the clay burns. This may be judged approximately, for clays with several per cent or more of ferric oxide will...