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LOCATION.-- Lat 42°08'21", long 87°54'14" (NAD of 1927), in SW1/4SW1/4 sec.1, T. 42 N., R. 11 E., Cook County, Hydrologic Unit 07120004, on downstream side of bridge on State Highway 68 at Wheeling. |
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DRAINAGE AREA.-- 325 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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PARTIAL RECORD: Annual maximum, water years 1962 to 1977. |
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GAGE.-- Crest-stage gage. Datum is 633.98 ft above NGVD of 1929. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 3240 ft3/sec, June 3, 1970, gage height, 4.14 ft. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |