Annual report of the State Mineralogist for the year ending ... (1883)
California State Mining Bureau · Sacramento : California State Mining Bureau · leaf 677
ng purposes, on account of itssmall capacity he restricted milling operations to the richest ores; andit is thought he can find work for a five-stamp mill of five hundredpound stamps. A mill of this size will enable him to work ore of alower grade than he could hitherto handle to a profit. Many… … SANTA CRUZ COUNTY. 625 t is a mountain stream affording an immense supply of good potablerater. The height of the reservoir above the city of Santa Cruz will;ive a pressure of over two hundred pounds to the square inch; butiressure breaks will be put in to give directly any force that may bel…
California State Mining Bureau · Mines and mineral resources · Gold mines and mining · Geology · Mineralogy
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