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LOCATION.-- Lat. 41°18'51", Long. 89°05'28" (NAD of 1927), on the highway bridge at Shipping Sport, 1 1/2 miles southeast of the Chicago, Rock Island and Pacific Railroad depot, Lasalle, Ill., 3,000 feet below the Chicago, Burlington and Quincy Railroad bridge, 1 mile below Big Vermilion River, 3,500 feet below Little Vermilion River, and 1 mile above Peru, Ill. |
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DRAINAGE AREA.-- 12,572 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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STAGE: March 1903 to September 1903. |
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GAGE.-- Chain gage and staff gage fastened to south pier of bridge read twice daily. Datum of gage is 0.00 ft. above Chicago datum. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum gage height observed, -127.50 ft, Apr. 16, 1903; minimum gage height observed, -140.10 ft, Aug. 26, 1903. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |