Excerpt from Illinois Mineral Industry in 1947 Not only is Illinois an important pro d'ucer of minerals, but _it also ranks high as a center for the processing of mineral raw from the raw condition into primary for the use of indus try. This is shown In tables 1 and 2 and figure]. 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.