High Water Mark, Mississippi River - Alton, Illinois
Posted by: 
paulspaper
N 38° 53.418 W 090° 11.244
15S E 743944 N 4308364
Record high water marks during the floods of 1973 and 1993 on the Mississippi River in Alton, Illinois.
Waymark Code: WM5R51
Location: Illinois, United States
Date Posted: 02/05/2009
Views: 11
The city of Alton, Illinois, is a historic river town on the Mississippi. Unfortunately, much of its downtown has been ravaged by floods. In 1973 a huge flood reach record levels. Twenty years later, in 1993, a flood reached even higher into the town. These were not flash floods and the communities along the river had time to prepare. The pink/red line is the high water mark of 1993 and the black painted area is the high water mark of 1973.
Natural or man made event?: Natural
What type of marker?: painted line
When did this occur?: 1993
Website related to the event..: [Web Link]
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Visit Instructions:
A picture showing the level along with any markers telling of what had occurred can be used. Better yet would be a picture of you or someone standing next to the high level mark, that would show if you would have been just wading or completely submersed.