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LOCATION.-- Lat 42°06'05", long 87°46'26" (NAD of 1927), in NE1/4SE1/4 sec. 24, T. 42 N., R. 12 E., Cook County, Hydrologic Unit 07120003, on downstream side of bridge on Willow Road at Northfield, about 1.5 mi southwest of Winnetka. |
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DRAINAGE AREA.-- 23.8 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 1960 to 1980. |
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GAGE.-- Crest-stage gage. Datum is 622.68 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, 481 ft3/sec, April 25, 1976, gage height, 2.33 ft. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |