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Hydrogenation of Petroleum and Lignite Tar Distillates

Description: Report issued by the U.S. Bureau of Mines regarding the operation of the Coal Hydrogenation Demonstration Plant in Missouri. This report summarizes the operating experience gained and the characteristics of the products created during operation of the plant. The report includes graphs, tables, and illustrations.
Date: April 1950
Creator: Clarke, E. A.; Chaffee, C. C. & Hirst, L. L.
Partner: UNT Libraries Government Documents Department
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Operation of a Powdered-Coal Gasifier at Louisiana, Missouri

Description: Report issued by the Bureau of Mines over the operations of a coal-conversion plant in Missouri. Description of the plant with an emphasis on powdered-coal gasification is presented. This report includes tables, illustrations, and photographs.
Date: April 1954
Creator: Dressler, R. G.; Batchelder, H. R.; Tenney, R. F.; Wenzell, L. P., Jr. & Hirst, L. L.
Partner: UNT Libraries Government Documents Department
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Plan of Study for the Northern Midwest Regional Aquifer-System Analysis

Description: From abstract: Sedimentary rocks of Cambrian and Ordovician age form a major aquifer system in most of Wisconsin and Iowa, northern Illinois, northwestern Indiana, southeastern Minnesota, and northern Missouri. Many metropolitan areas depend on the aquifer for all or part of their water supplies. Declines in potentiometric head have been large in the most heavily pumped areas, most notably Chicago, Milwaukee-Waukesha, Minneapolis-St. Paul, and Des Moines.
Date: April 1979
Creator: Steinhilber, W. L. & Young, H. L.
Partner: UNT Libraries Government Documents Department
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