Excerpt from Electric Activity in Ore Deposits Among the contributions already made by the United States Geo logical Survey are the published results of studies by W. H. Emmons of the general subject of enrichment, and of investigations now being carried on by E. S. Bastin 3 and Chase Palmer of the enrichment of silver ores as exemplified in' our western mining camps. The work reported in the present paper on electric activity in ore deposits elab orates and extends the work of Gottschalk and Buehler.' About the Publisher ...
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Excerpt from Electric Activity in Ore Deposits Among the contributions already made by the United States Geo logical Survey are the published results of studies by W. H. Emmons of the general subject of enrichment, and of investigations now being carried on by E. S. Bastin 3 and Chase Palmer of the enrichment of silver ores as exemplified in' our western mining camps. The work reported in the present paper on electric activity in ore deposits elab orates and extends the work of Gottschalk and Buehler.' About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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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