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LOCATION.-- Lat 41°39'39", long 87°47'38" (NAD of 1927), in SW1/4SW1/4 sec. 30, T. 37 N., R. 13 E., Cook County, Hydrologic Unit 07120003, at bridge on 127th Street at south edge of Palos Heights, 2.5 mi east of Palos Park. |
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DRAINAGE AREA.-- 1.69 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 613.72 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, 434 ft3/sec, July 21, 1976, gage height, 4.35 ft. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |