Changes in chloride concentration in water from municipal wells that tap aquifers in rocks of Cambrian and Ordovician age in northeastern Illinois, 1915-84 /
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Urbana, Ill. :
U.S. Dept. of the Interior, U.S. Geological Survey ;
1991.
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| Series: | Water-resources investigations report ;
90-4116. |
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| Item Description: | Shipping list number: 91-745-P. |
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| Physical Description: | v, 52 pages : illustrations, maps ; 28 cm. |
| Bibliography: | Includes bibliographical references (pages 28-32). |