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Excerpt from Rock Excavating and Blasting It is a well-known fact that schools of engineer ing teach the design of engineering works, but not their construction. A few strokes of the pen show how a tunnel is to be driven through a mountain, but there is nothing shown on the drawings or taught in school, that will point out how the work is to be accomplished. This part is left for the contracting engineer to work out for himself, and the young engineer in charge of the work, if he has had no previous experience, must pick it up as he goes along from the rock men in charge of the blasting. 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.