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LOCATION.-- Lat 39°21'35", long 90°29'45" (NAD of 1927), in NW1/4 NW1/4 NE1/4 sec.36, T.11 N., R.13 W., Greene County, Hydrologic Unit 07130011. Located at CR 675NE, 2.25 miles south of Walkerville and at mile 12.7. |
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DRAINAGE AREA.-- 385.2 mi2 |
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PERIOD OF RECORD.-- |
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BIOLOGICAL |
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BENTHIC MACROINVERTEBRATES: Water year 1997. |
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REMARKS.--Station established as a low-flow water-quality sampling site in August 1997 as part of the National Water-Quality Assessment (NAWQA), Lower Illinois River Basin synoptic study. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |