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LOCATION.-- Lat 42°23'16", long 88°23'24" (NAD of 1927), in SW1/4SW1/4 sec. 11, T. 45 N., R. 7 E., McHenry County, Hydrologic Unit 07120006, at bridge on Greenwood Road, at south edge of Greenwood. |
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DRAINAGE AREA.-- 83.2 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 1978 to 1979. |
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GAGE.-- Crest-stage gage. Datum is 819.78 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, 768 ft3/sec, March 19, 1979, gage height, 0.68 ft. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |