Lake Itasca, the source of the Mississippi River is in which state.
Mississippi
Minnesota
Wisconsin
Illinois
The Mississippi- Missouri drainage basin covers what proportion of the USA.
1/3
1/2
1/5
3/5
Until what year was the Mississippi River considered 'untameable'.
1971
1993
1911
1927
The hard engineering strategies along the Mississippi River were designed to withstand a 1:100 year flood event. What was the 1993 flood estimated to be?
A 1:150 year flood.
A 1:250 year flood.
A 1:500 year flood.
A 1:1000 year flood.
How many people died in the 1993 Mississippi River Flood.
50
97
101
348
What flood management strategies were introduced after the 1927 flood? Select five answers?
Dams and Reservoirs
Afforestation
Diversionary Spillways
Channelisation
Strengthening Levees
River Restoration
Wetland and Riverbank Conservation
How many federal levees broke or were overtopped in the 1993 flood?
31
49
14
22
After the 1927 flood, how many dams were built along the Missouri stretch of the Mississippi River?
6
2
3
8
The 19 reservoirs and dams created by Tennessee Valley Authority limited river levels to 9.8m in 1957. What would the river level have been without this management?
16.5
19.2
21.3
32.6
Between 1934 and 1945 a 530km stretch of the Mississippi River was shortened by how much?
20km
192km
81km
300km
