|
About
850
|
Cahokia Mississippi Indians build largest
settlement north of New Mexico |
|
1541
|
Hernando DeSoto becomes 1st Spaniard to reach
the Mississippi River |
|
1673
|
Louis Joliet & Father Jacques Marquette
travel down the Illinois River to the Mississippi River |
|
1804
|
Lewis & Clark begin their expedition to map
and explore the Louisiana Purchase |
|
1866
|
Congress authorized the Corps to establish a 4
½ foot channel, to be obtained by dredging, building wing
dams and closing secondary channels. Wing dams direct the
river's current into a narrower channel, thus causing it to
cut a deeper channel. |
|
1907
|
Congress authorized a 6 foot channel project on
the Mississippi, which wasn't complete when it was abandoned
in the late 1920s |
|
1930
|
The Rivers and Harbors Act of 1930 authorized
the 9-foot channel project, which called for a navigation
channel 9 feet deep and 400 feet wide to accommodate
multiple-barge tows. This was achieved by a series of locks
and dams, and by dredging. Twenty-three new locks and dams
were built on the upper Mississippi in the 1930s in addition
to the three already in existence. |
|
1936
|
Flood Control Act assigned the Corps of
Engineers responsibility for flood control engineering works
and later for floodplain information services |
|
1940
|
Nine Foot Channel Opens |
|
1964
|
All locks and dams completed |
|
1972
|
Clean Water Act Enacted |
|
1911
|
Melvin Price Locks and Dam replaces Old Locks 26 |
|
1993
|
The Great Flood of 1993 was a huge, costly, and
devastating flood that occurred in the American Midwest from
April to October of 1993 |
|
2003
|
The National Great Rivers Museum opens |
|
2004
|
The famous eagles nest is built on the Berm
Highway, Alton, IL |
|
2005
|
The Worlds Largest Blue Catfish is caught at the
Missouri/Mississippi Confluence |
