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LOCATION.-- Lat 38°43'45", long 90°03'15" (NAD of 1927), in NW1/4NW1/4 sec.12, T.3 N., R.9 W., hydrologic unit 07140101, at culvert under Illinois Terminal Electric Railroad at Stallings, 400 ft upstream from outlet at Elm Slough. |
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DRAINAGE AREA.-- 5.0 mi2, approximately. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: January 1939 to September 1949. |
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GAGE.-- Water-stage recorder and concrete control. Datum of gage is 409.13 ft above NGVD of 1929 (408.60 ft NAVD 1988). |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 121 ft3/s, Aug. 17, 18, 1946, gage height, 7.40 ft.; minimum discharge, no flow for many days each year. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |