Ground-water levels in the United States. : North-Central States.
| Previous Title: | United States. Geological Survey. Water levels and artesian pressure in observation wells in the United States |
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| Corporate Author: | |
| Format: | Government Document Serial |
| Language: | English |
| Published: |
Washington :
Dept. of the Interior, Geological Survey;
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| Series: | Geological Survey water-supply paper ;
2163. |
| Subjects: | |
| Online Availability: |
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| Item Description: | 1972-74. |
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| Physical Description: | illustrations, maps. ; 23 cm. |
| ISSN: | 0499-5198 |