The Mines of ColoradoSamuel Bowles & Company, 1867 - 450 strani |
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Zadetki 1–5 od 40
Stran 48
... developed . In the latter country they have been wrought to a depth of 1,200 feet , and so far from being exhausted , are one hundred per cent . better in every respect than they were on the surface . We never were in Australia but have ...
... developed . In the latter country they have been wrought to a depth of 1,200 feet , and so far from being exhausted , are one hundred per cent . better in every respect than they were on the surface . We never were in Australia but have ...
Stran 49
... in a complicated net - work crowded into a narrow space . This is so true of Cornwall and Saxony that centuries have not fully developed even the more important facts concern- ing them . Usually but a small proportion of the 3.
... in a complicated net - work crowded into a narrow space . This is so true of Cornwall and Saxony that centuries have not fully developed even the more important facts concern- ing them . Usually but a small proportion of the 3.
Stran 51
... developed beyond a depth of 500 feet . But we have had many oppor- tunities of consulting mining , geological , and met- allurgical experts from all parts of the world , and their uniform verdict is , that the best - known gold- veins ...
... developed beyond a depth of 500 feet . But we have had many oppor- tunities of consulting mining , geological , and met- allurgical experts from all parts of the world , and their uniform verdict is , that the best - known gold- veins ...
Stran 53
... series of phenomena as concur- ring in the formation of mineral veins . It cannot be doubted that the process has been a complex one , requiring a long period of time for its develop- ment . No one simple cause can be considered suffi-
... series of phenomena as concur- ring in the formation of mineral veins . It cannot be doubted that the process has been a complex one , requiring a long period of time for its develop- ment . No one simple cause can be considered suffi-
Stran 55
... develop- ment of the metallic contents of the adjacent veins is usually ascribed to their presence ; since it is so often found that the metalliferous deposits are inti- mately associated with eruptive masses . It does not follow ...
... develop- ment of the metallic contents of the adjacent veins is usually ascribed to their presence ; since it is so often found that the metalliferous deposits are inti- mately associated with eruptive masses . It does not follow ...
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Pogosti izrazi in povedi
50 feet adit agent arastras Arkansas Arkansas River assays average beds Black Hawk Bobtail California California Gulch Central City claim Clear Creek County coal Colorado copper crevice Crosby & Thompson Denver discovery dollars east eastern engine engine-house feet deep feet long fifty five Foot-hills fork four furnace Gold Mining Company Golden City gossan Gregory Gulch head hight hoisting hundred feet inches iron Kansas Kanyon Lake lodes machinery Middle Park miles miners mining district Moun Mount Lincoln mouth Nevada pans party Pass Pike's Peak placer mining Plains Platte pyrites Quartz Hill Range rich River rock Rocky Mountains Russell Gulch sandstone silver sluice smelting snow South Boulder South Clear Creek South Park specimens Spring stamp mill stone stream summit Summit County surface tains Territory thousand feet timber tion tons town tributaries tunnel twelve twenty Valley vein width Winter yield
Priljubljeni odlomki
Stran 374 - That whenever by priority of possession rights to the use of water for mining, agricultural, manufacturing, or other purposes have vested and accrued and the same are recognized and acknowledged by the local customs, laws, and the decisions of courts, the possessors and owners of such vested rights shall be maintained and protected In the same, and the right of way for the construction of ditches and canals for the purposes herein specified is acknowledged and confirmed...
Stran 373 - ... improvements, and the character of the vein exposed; and upon the payment to the proper officer of five dollars per acre, together with the cost of such survey, plat, and notice, and giving satisfactory evidence that said diagram and notice have been posted on the claim during said period of ninety days, the register of the land office shall transmit to the general land office said plat, survey, and description ; and a patent shall issue for the same thereupon. But said plat, survey, or description...
Stran 373 - As a condition of sale, in the absence of necessary legislation by Congress, the local legislature of any State or Territory may provide rules for working mines, involving easements, drainage, and other necessary means to their complete development; and those conditions shall be fully expressed in the patent.
Stran 373 - That the right of way for the construction of highways over public lands, not reserved for public uses, is hereby granted.
Stran 374 - That wherever, prior to the passage of this act, upon the lands heretofore designated as mineral lands, which have been excluded from survey and sale, there have been homesteads made by citizens of the United States, or persons who have declared their intention to become citizens, which homesteads have been made, improved, and used for agricultural purposes...
Stran 374 - Upon the survey of the lands described in the preceding section, the Secretary of the Interior may designate and set apart such portions of the same as are clearly agricultural lands, which lands shall thereafter be subject to pre-emption and sale as other public lands, and be subject to all the laws and regulations applicable to the same.
Stran 364 - ... feet each way from said tunnel, on each lode so discovered, provided they do not interfere with any vested rights. If it shall appear that claims have been staked off and recorded prior to the record of said tunnel on the line thereof, so that the required number of feet cannot be taken near said tunnel, they may...
Stran 373 - That when such location and entry of a mine shall be upon unsurveyed lands, it shall and may be lawful, after the extension thereto of the public surveys, to adjust the surveys to the limits of the premises according to the location and possession and plat aforesaid ; and the...
Stran 373 - The President is authorized to establish additional land districts, and to appoint the necessary officers under existing laws, wherever he may deem the same necessary for the public convenience in executing the provisions of this chapter.
Stran 49 - Gash-veins may cross the formation at any angle, but are limited to one particular group of strata, and are peculiar to the unaltered sedimentary rocks. True veins are aggregations of mineral matter, accompanied by metalliferous ores, within a crevice or fissure, which had its origin in some deep-seated cause, and which may be presumed to extend for an indefinite distance downwards.