. The prospector's field-book and guide in the search for and the easy determination of ores and other useful minerals. in front of the bars, while the lighter matter iswashed downwards. A still more effective method is what is calledhydraulic mining, and under favorable circum-stances, such as a plentiful supply of water withgood fall and extensive loose auriferous deposits, avery small amount of gold to the ton can be madeto give paying returns. The water is conducted influmes or pipes to a point near where it is required,thence in wrought-iron pipes gradually reduced in 116 prospectors fiel
. The prospector's field-book and guide in the search for and the easy determination of ores and other useful minerals. in front of the bars, while the lighter matter iswashed downwards. A still more effective method is what is calledhydraulic mining, and under favorable circum-stances, such as a plentiful supply of water withgood fall and extensive loose auriferous deposits, avery small amount of gold to the ton can be madeto give paying returns. The water is conducted influmes or pipes to a point near where it is required,thence in wrought-iron pipes gradually reduced in 116 prospectors field-book and guide. size and ending in a great nozzle somewhat likethat of a firemans hose. Figs. 43 and 44 show thearrangement. Fig. 43 exhibits the mouth-piecemovable at A B in an ascending, and at C D in aninclined, direction. E is a lever loaded with.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectprospec, bookyear1903
