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LOCATION.-- Lat 41°37'49", long 87°47'05" (NAD of 1927), in NW1/4NE1/4 sec. 7, T. 36 N., R. 13 E., Cook County, Hydrologic Unit 07120003, at bridge on Justamere Road, about 2.75 mi northwest of Oak Forest. |
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DRAINAGE AREA.-- 7.95 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 1979. |
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GAGE.-- Crest-stage gage. Datum is 631.48 ft above NGVD of 1929 (631.18 ft NAVD 1988). |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 999 ft3/sec, April 30, 1970, gage height, 3.99 ft; maximum gage height, 4.67 ft, May 13, 1978, discharge, 853 ft3/sec. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |