Injury to Vegetation and Animal Life by Smelter Wastes (Classic Reprint)

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Excerpt from Injury to Vegetation and Animal Life by Smelter WastesThe ores when they arrive at the plant are graded as first and second class, the former being sent to the bins of the blast furnaces and the latter to the concentrator bins. The second-class ores are next sampled, crushed, and passed over jigs, by which process a product richer in copper, known as the concentrates, is obtained.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.