Excerpt from Analyses of Coals in the United States, Vol. 2: With Descriptions of Mine and Field Samples Collected Between July 1, 1904, and June 30, 1910; Descriptions of Samples The descriptions are published for two purposes: (1) To present such information regarding the character of the coal, the impurities in the beds sampled, and the nature of the roof and the floor of the beds as has a definite bearing on the significance of the analyses of the samples, and (2) to give any supplementary details such as the capacity or the output of a mine, the method of mining and prepar ing the coal, and the chief uses to which it is put, that may be of assistance to Government engineers or purchasing agents, and to other persons, in preparing specifications and awarding contracts for fuel. 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.