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USGS 05587498 Mississippi River Pool Lock and Dam 26 at Alton,IL
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2023-06-04  
 Daily Data
    Gage height, feet  1986-10-01  2016-12-11  10577 
 Field measurements 2023-03-08  2023-05-24  5 
 Water-Year Summary 2014  2017  4 
 Revisions  Loading...