The Mines of the West: A Report to the Secretary of the TreasuryJ. B. Ford, 1869 - 256 strani |
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Zadetki 1–5 od 69
Stran 12
... depth , with sides sloping at as high an angle as 45 degrees . The auriferous slates beneath are sometimes eroded to a depth of 1,500 feet , and peculiar facilities are thus afforded for the study of their structure . It was in this ...
... depth , with sides sloping at as high an angle as 45 degrees . The auriferous slates beneath are sometimes eroded to a depth of 1,500 feet , and peculiar facilities are thus afforded for the study of their structure . It was in this ...
Stran 17
... depth . Accurate surveys made since that time establish the exact depth as 1,109 feet on the incline , or 1,054 feet vertically . The lowest level is 1,084 feet on the vein , the remaining 25 feet being used as a sump . This was ...
... depth . Accurate surveys made since that time establish the exact depth as 1,109 feet on the incline , or 1,054 feet vertically . The lowest level is 1,084 feet on the vein , the remaining 25 feet being used as a sump . This was ...
Stran 25
... depth , and 8924 feet on the incline : M , shaft ; N , Larimer incline ; 1 , 2 , 3 , stoped out ; 4 , 5 , 6 , reserves . The ground shaded from right to left has been worked out on the upper vein ; from left to right on the lower vein ...
... depth , and 8924 feet on the incline : M , shaft ; N , Larimer incline ; 1 , 2 , 3 , stoped out ; 4 , 5 , 6 , reserves . The ground shaded from right to left has been worked out on the upper vein ; from left to right on the lower vein ...
Stran 26
... depths are not vertical , but , like all profiles given , measured on the incline of the vein , the only true way to obtain a knowledge of the quantity of ground open ; ) C C , drain tunnel ; D D , 400 foot level ; E E , 500 foot level ...
... depths are not vertical , but , like all profiles given , measured on the incline of the vein , the only true way to obtain a knowledge of the quantity of ground open ; ) C C , drain tunnel ; D D , 400 foot level ; E E , 500 foot level ...
Stran 30
... depth of pay dirt varies from 80 to 180 feet from the surface to a bed of hard , cemented gravel , which is not sufficiently rich to crush under stamps , and too hard to be disintegrated by the force of water . This bed of gravel , some ...
... depth of pay dirt varies from 80 to 180 feet from the surface to a bed of hard , cemented gravel , which is not sufficiently rich to crush under stamps , and too hard to be disintegrated by the force of water . This bed of gravel , some ...
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Pogosti izrazi in povedi
00 per share amalgamation amount antimony assays Austin average Belcher bullion California cañon cent chloride claims Comstock Comstock lode contains copper cost country rock course creek Crown Point custom deposits depth Dividend east engineers examination expense extracted feet fissure furnaces gold and silver granted ground gulch Humboldt Humboldt county inches incline iron July June labor land ledge limestone lode metallurgy metals miles mill miners Mining Company mining law months mountain Nevada Nye county obtained operations Ophir outcrop owner Pacific patent placer mining porphyry portion pounds practical present profit quartz quartzite railroad range reduced Reese River rich rock San Francisco shaft smelting springs stamps Stoped sulphurets surface tailings Territory tion tons freight Total Treasure Hill tunnel United valley vein Virginia City Washoe Washoe process White Pine whole width Yellow Jacket yield
Priljubljeni odlomki
Stran 209 - At the trial the plaintiff claimed under the following custom, which the jury found to exist in fact : any person may enter on the waste land of another in Cornwall, and mark out by four corner boundaries a certain area ; a written description of the plot of land so marked with metes and bounds, and the name of the person for whose use the proceeding is taken is recorded in an immemorial local court, called the Stannary Court, and proclaimed at three successive courts held at stated intervals: if...
Stran 219 - ... with regard thereto; that there is not, to his knowledge, within the limits thereof, any vein or lode of quartz or other rock in place, bearing gold, silver...
Stran 202 - Further remarks on this subject will be found in the chapter on English mining law.
Stran 156 - ... to file in the local land office a diagram of the same, so extended laterally or otherwise as to conform to the local laws, customs, and rules of miners, and to enter such tract and receive a patent therefor, granting such mine, together with the right to follow such vein or lode with its dips, angles, and variations, to any depth, although it may enter the land adjoining, which land adjoining shall be sold subject to this condition.
Stran 208 - CD his executors, administrators and assigns, from the day of the date of these presents, for and during, and until the full end and term of years from thence next ensuing, and fully to be complete and ended...
Stran 207 - ... the proprietor of the soil. Apart from the claims of the crown, the property- in minerals is, according to the common law, prima facie in the owner of the fee of the land, but the property in minerals, or the right to search for them, may be vested in other persons by alienation, prescription, or custom. Since the two latter rights require an origin beyond the time of legal memory, they are...
Stran 176 - In view of these peculiar relations of mining, it is evident that governments are in a certain sense trustees of the wealth stored in the mineral deposits of their realms — trustees for succeeding generations of their own citizens and for the world at large.
Stran 52 - Tunnel will do four most important things : it will settle the continuance of the Comstock in depth; it will inevitably unite the mining companies in many respects, and remove much of the expense of separate pumping, hoisting, prospecting, and general administration ; it will render possible the beneficiation of low-grade ores, absolutely the only basis for rational and permanent mining; and, finally, by assuring the future, it will kill that speculation which thrives on ignorance of the future.
Stran 51 - Nearly $100,000,000 have been extracted from that one lode within the past nine years, yet the aggregate cost to owners has been almost as much. The reason is simple. Unnecessary labor has been employed, and vast sums of money wasted in extravagant speculations and litigations ; and the root of the whole evil lies in the system of scattered, jealous, individual activity, which has destroyed, by dividing, the resources of the most magnificent «¡re depositin the world.
Stran 211 - The only things which make this reasonable are the render of the toll tin to the owner, and the benefit to the public secured thereby in the extraction of the mineral from the bowels of the earth. Both these are not only lost, but the latter, it may be, positively prevented, if the bounder may decline to work and yet retain the right to exclude the owner.