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LOCATION.-- Lat 41°20'53", long 88°10'18" (NAD of 1983), in NW1/4NW1/4NW1/4 sec. 14, T.33N., R.9E, Hydrologic Unit 07120001, Piezometer PZ3, about 3 miles northwest of Wilmington. Owner: U.S. Forest Service, Midewin National Tallgrass Prairie. |
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AQUIFER.-- Glacial drift of Quaternary age. |
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WELL CHARACTERISTICS.-- diameter 1.0 inch, depth 11.7 feet, cased to 6.7 feet, slotted screen, observation. |
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PERIOD OF RECORD.-- |
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GROUND-WATER LEVELS: October 2003 through September 2004. |
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INSTRUMENTATION.-- Electronic data logger--60-minute recording. |
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DATUM.-- Land-surface datum is 546.68 ft above NAVD of 1988. Measuring point: Top of PVC casing, 3.3 ft above land-surface datum. |
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REMARKS.-- Piezometer open to fine-grained deposits. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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GROUND-WATER LEVELS: Highest recorded water level, 0.09 ft above land surface datum, June 12, 2004; lowest recorded, 4.39 ft below land surface datum, Aug. 19 and 20, 2004. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |