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LOCATION.-- Lat 41°54'37", long 87°54'10" (NAD of 1927), in SW1/4SW1/4 sec. 32, T. 40 N., R. 12 E., Cook County, Hydrologic Unit 07120004, on downstream side of bridge on Wolf Road at Northlake, 0.5 mi north of Melrose Park. |
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DRAINAGE AREA.-- 6.79 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 1961 to 1973; 1975 to 1980. |
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GAGE.-- Crest-stage gage. Datum is 638.59 ft above NGVD of 1929 (638.29 ft NAVD 1988). |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 449 ft3/sec, May 12, 1966, gage height, 3.60 ft. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |