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Streamflow Measurements for the Nation

USGS 05587498 Mississippi River Pool Lock and Dam 26 at Alton,IL

Madison County, Illinois
Hydrologic Unit Code 07110009
Latitude  38°53'14.3", Longitude  90°11'02.4" NAD83
Gage datum 399.66 feet above NAVD88

Period of record
Begin Date End Date Count
2023-03-08 2023-08-09 8

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