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1300 and 1500 levels, 16 to 1 Mine, Alleghany, California: Supplement 3 from "Spectrographic study of gold-quartz ores from Alleghany, California" (Thesis)
An investigation of the miner constituents in gold-quartz ores of the Sixteen-to-One mine, Alleghany, California, was undertaken with the hope that the distribution of the minor metals might be of some use in locating ore bodies. Before commencing such a study it was necessary to establish a practic
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