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LOCATION.-- Lat 41°02'35", long 90°44'45" (NAD of 1927), between sec. 8 and 9, T.12 N., R.3 W., Warren County, Hydrologic Unit 07080104, near center of span at upstream side of bridge on State Highways 94 and 135, 1.3 mi upstream from North Henderson Creek. |
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DRAINAGE AREA.-- 151 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1940 to September 1958. |
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REVISED RECORDS.-- WSP 1145: 1947(M). WSP 1175: 1949(P). |
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GAGE.-- Wire-weight gage and crest-stage indicator; gage read twice daily. Datum of gage is 566.24 ft above NGVD of 1929, (levels by Corps of Engineers). |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 8,250 ft3/s Apr. 25, 1950, gage height, 17.65 ft; no flow at times in 1949, 1953-55. |
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EXTREMES OUTSIDE PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Flood of June 28, 1924, reached a stage of 23.2 ft, from floodmark. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |