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LOCATION.-- Lat 41°39'09", long 87°50'23" (NAD of 1927), in NW1/4SE1/4 sec. 34, T. 37 N., R. 12 E., Cook County, Hydrologic Unit 07120003, at culvert on 131st Street, 1 mi south of Palos Park. |
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DRAINAGE AREA.-- 6.39 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 1977. |
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GAGE.-- Crest-stage gage. Datum is 665.66 ft above NGVD of 1929 (665.37 ft NAVD 1988). |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 330 ft3/sec, May 12, 1966, gage height, 2.13 ft. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |