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LOCATION.-- Lat 42°14'27", long 88°31'38" (NAD of 1927), in SW1/4SW1/4 sec.34, T.44 N., R.6 E., McHenry County, Hydrologic Unit 07090006, at bridge on High Bridge Road, 0.9 mi northeast of Union, and at mile 3.30. |
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DRAINAGE AREA.-- 70.0 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 1970 to 1977. |
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GAGE.-- Crest-stage gage. Datum of gage is 827.03 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, 1040 ft3/sec, September 18, 1972, gage height, 4.30 ft. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |