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Gold Ore Milling Water

2019-10-26no water is allowed upon it until stamping beginsfter the run, the plate is rinsed off with water, and the amalgam scraped off as clean as possible with a rubber-scraperore mercury is rubbed on, and the plate is again scrapedone of the objects of this work is to show the student the impossibility of valuing a free-milling gold-ore.