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Excerpt from Mineral Resources of the United States, 1926, Vol. 2: Nonmetals A sharp increase in both quantity and value of product marked the manufacture of fuel briquets in 1926. This infant among the mineral industries of the United States now supplies nearly a million tons of excellent household fuel that has a value at the producers' plants of eight and a half million dollars. In comparison with 1925 the production of net tons in 1926 represents an increase of 19 per cent; in comparison with 1923, the increase is 43 per cent. 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.