The School of Mines Quarterly, Količine 21–31Columbia University, 1910 |
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acid albite amount angle average Bergen Hill boiler boiling burning calcite cent chalcopyrite Chem chemistry CO₂ coal color Columbia combustion cookeite Copper cos² crystals datolite determined dilute Domes draft engineering evaporation excess face feet filter fire forest forfeiture fuel fulgurite furnace Geol Geological grate surface heat hemlock horizontal joint Hübl solution industries iodine iron Jour Kryst land lease lepidolite lessee lessor luster machine masonry masses material method mineral mining claim minutes moisture monoclinic mx mx mx obtained operation orthoclase orthorhombic owner oxide placer mining plates precipitate Prism Professor Pyramids quartz reagent Rhombohedrons sand Scalenohedrons School of Mines shaft shearing stress shown silicate specimen statute steel stephanite temperature Tests tion titrate tube twinning valve vein vertical planes vertical sections WILLIAM FELLOWES MORGAN Zeitschr
Priljubljeni odlomki
Stran 193 - ... in the Senate, spoke in high praise of the regulations and customs of miners, and portrayed in glowing language the wonderful results that had followed the system of free mining which had prevailed with the tacit consent of the government. The legislature of California, he said, had wisely declared that the rules and regulations of miners should be received in...