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Excerpt from 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 In accordance with the requirements of the W. S. Ward fellowship in Eco nomic Geology for the year 1882 - 3, I spent Over four months of that year at Lead ville, and devoted my time to a study Of the ores and their modes Of occurrence, and to the extraction of ores in the Evening and Morning Star mines. To these mines I had free access, and would here tender my thanks to their Officers, who afforded me every facility in their power for the prosecution of my work. The analyses Of the rocks and ores were made and the thesis completed at the School Of Science, Princeton, during the remainder of the college year. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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