Mineral Matter in the Springfield-Harrisburg (No. 5) Coal Member in the Illinois Basin (Classic Reprint)

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Excerpt from Mineral Matter in the Springfield-Harrisburg (No. 5) Coal Member in the Illinois BasinSamples of the springfield-harrisburg (no. 5) Goal from 32 localities were studied (fig. Each sample was taken either from a drill core or a mine expo sure that covered the whole of the coal seam at that locality, any sample having a mineral band of more than inch in thickness was excluded from the study. All samples were collected by Illinois State Geological Survey personnel during the period between 1962 and 1975 and are cataloged in the Survey repository. Most of the mine samples are composites of several face-channel samples taken within a small area of the mine Samples were collected and were made up fol lowing standard Survey procedure (holmes, 1918)About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.