Excerpt from Mineral Resources and Mineral Industries of the East-Central Illinois Region Fig. 2-6minera1 production of the east-central Illinois Region shown as a percentage of the total Illinois production for each commodity. The relative importance of this region as a producer of various 'minera1 commodities from 1954 to 1964 is shown in figure 2. During this period the east-central-illinois Region averaged 33 percent of the state's production of clay products, 32 percent of the gravel, 29 percent of the sand, 16 ...
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Excerpt from Mineral Resources and Mineral Industries of the East-Central Illinois Region Fig. 2-6minera1 production of the east-central Illinois Region shown as a percentage of the total Illinois production for each commodity. The relative importance of this region as a producer of various 'minera1 commodities from 1954 to 1964 is shown in figure 2. During this period the east-central-illinois Region averaged 33 percent of the state's production of clay products, 32 percent of the gravel, 29 percent of the sand, 16 percent of the crushed and broken stone, 8 percent of the coal, and percent of the crude oil. In addition, this region is the single most important area in the state for the production of silica sand and cement. The size of the payroll and the number of employees dependent upon the mineral industries in selected counties in the east-central Illi nois Region are shown in table 1. The value of mineral production for the region (table 2) was $84. 8 million in 1963 and million in 1964, or 13. 8 percent and 12. 7 percent, respectively, of the state total for each of the two years. The 'main commodities produced, in order of their 1964 value, were cement, clay products, coal, silica sand, crushed and broken stone, gravel, crude oil, and sand. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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.
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