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Boating safety tips are available from the U.S. Coast Guard.

NOTE: During cold periods, gage height and streamflow information may be adversely affected by ice.


USGS 05587500 Mississippi River at Alton, IL

PROVISIONAL DATA SUBJECT TO REVISION

Available Parameters Period of Record
  
1933-04-01  1987-09-30
1982-10-01  1989-09-29
1982-10-01  1989-09-29







 (365)
 

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Summary of all available data for this site
Instantaneous-data availability statement
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.