Papers from the Notes of an Engineer

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Scientific publishing Company, 1889 - Bolivia - 103 pages
 

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Page 41 - The claimant is owner of, and may work to an unlimited depth, all the ground, veins, deposits, and mineral occurrences within his surface claim and within the vertical planes passed through all the surface boundary lines of such claim.
Page 38 - ... before the California State Geological Society, set forth its advantages and describe its use : Batea is the name given to the gold-washer's bowl, or vanning dish, used in the placer and gold mines of Brazil ; a small implement, which affords the most simple method of separating, on a limited scale, the grains of gold from the dirt, sand, pyritic matter, magnetic iron, etc. The form of the batea in common use in Brazil is a circular, shallow, wooden dish, or bowl, rudely fashioned with an adze...
Page 34 - Republic, has been for some time undetermined; hence the main outlets for Bolivian trade are through Chilian, Peruvian, and Argentine territory. The most accessible port of the former is...
Page 97 - Graphically represented, a mine's life is something after the fashion of a crescendo with a corresponding decrescendo...
Page 73 - With the exception of the mill, the entire plant can be run either by steam or water, and can be changed from one to the other in a few minutes
Page 48 - Titicaca, which is at once the largest lake in South America and the highest in the world...

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