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amount appear auriferous Aymaras batea bed-rock Bolivia bulletin caca California canal capital cent chute claim coca company's concentration concession continuously Cordillera Cordillera Real cost cubic meters Culebra deposits district dividends Eastern Empire Engineering and Mining entire expense feet grade Grass Valley Grass Valley mines gravel ground hoisting-works Idaho Illampu Inca Indians industry interest isthmus La Paz lake Lake Titicaca latter leagues Lesseps lode Mapiri miles mill millions frs mineral mining enterprises mining operations Mollendo mountains navigation Nevada County North Star Oruro Pacific Panama Pelton wheel Peru placer placer mines plant Potosi precious metal production profit prosperity pulp pyrites quartz quartz mining Quichuas railroad region republic rich river running San Francisco scale silver sluices soil Sorata South American success Suez surface tain Tiahuanaco tion Tipuani Titicaca tons traffic vanner vein geology veins width York
Page 45 - 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 - The exact course of a portion of her southern limit, separating Bolivia from the Argentine 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 Arica, which involves a tedious...
Page 42 - ... 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 101 - Graphically represented, a mine's life is something after the fashion of a crescendo with a corresponding decrescendo...
Page 20 - New York to Callao New York to Guayaquil New York to San Francisco Via Cape Horn.
Page 77 - 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