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LOCATION.-- Lat 41°36'02", long 87°54'02" (NAD of 1927), in NW1/4NE1/4 sec. 19, T. 36 N., R. 12 E., Cook County, Hydrologic Unit 07120004, at bridge on 159th Street (State Highway 7), 2.7 mi southwest of Orland Park. |
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DRAINAGE AREA.-- 1.60 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 688.05 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, 78 ft3/sec, May 12, 1966, gage height, 2.27 ft. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |