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The ores of Leadville and their modes of occurrence as illustrated in the Morning and Evening star mines with a chapter on the methods of their extraction as practiced at those mines ebook by Louis D. Ricketts

The ores of Leadville and their modes of occurrence as illustrated in the Morning and Evening star mines with a chapter on the methods of their extraction as practiced at those mines ebook by Louis D. Ricketts

Continue reading The ores of Leadville and their modes of occurrence as illustrated in the Morning and Evening star mines with a chapter on the methods of their extraction as practiced at those mines ebook by Louis D. Ricketts