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LOCATION.-- Lat 38°35'40", long 89°49'57" (NAD of 1927), in SW1/4NW1/4 sec.25, T.2 N., R.7 W., St. Clair County, Hydrologic Unit 07140204, at highway bridge at Wrights Crossing, about 2 mi west of Lebanon, between the Baltimore and Ohio Southwestern and the East St. Louis and Suburban Railroad bridges across Silver Creek. |
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DRAINAGE AREA.-- 335 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: March 3, 1908, to August 1908; December 3 to September 31, 1912. |
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GAGE.-- Standard chain gage attached to bridge. Datum of gage is 416.20 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, 5,240 ft3/s, May 7, 1908, gage height, 15.9 ft; minimum discharge, 0.2 ft3/s , Aug. 3, 1911. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |