Proceedings of the Twelfth Annual Convention, Vol. 12

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Excerpt from Proceedings of the Twelfth Annual Convention, Vol. 12: Of the American Railway Engineering and Maintenance of Way Association, Held at the Congress Hotel, Chicago, Illinois, March 21, 22, and 23, 1911 Ance OF way lumber 545-606 Introductory 545 - 547 Classification and Grading Rules for Douglas Fir 548-555 Specifications for Douglas Fir Structural Timbers 556, 557 Building Materials 558-564 Classification, Grading and Dressing Rules for Northern Pine. 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.