Twentieth Annual Report of the United States Geological Survey, Vol. 6: Mineral Resources of the United States, 1898, Nonmetallic Products, Except Coal and Coke (Classic Reprint)

Excerpt from Twentieth Annual Report of the United States Geological Survey, Vol. 6: Mineral Resources of the United States, 1898, Nonmetallic Products, Except Coal and Coke Relation of domestic production to importation The Portland cement industry in the various States Materials. 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.