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Streamflow Measurements for the Nation


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
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Graph of streamflow measurement data at USGS 05587498 Mississippi River Pool Lock and Dam 26 at Alton,IL
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