Lake Itasca, the source of the Mississippi River is in which state.
Responda
Mississippi
Minnesota
Wisconsin
Illinois
Questão 2
Questão
The Mississippi- Missouri drainage basin covers what proportion of the USA.
Responda
1/3
1/2
1/5
3/5
Questão 3
Questão
Until what year was the Mississippi River considered 'untameable'.
Responda
1971
1993
1911
1927
Questão 4
Questão
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?
Responda
A 1:150 year flood.
A 1:250 year flood.
A 1:500 year flood.
A 1:1000 year flood.
Questão 5
Questão
How many people died in the 1993 Mississippi River Flood.
Responda
50
97
101
348
Questão 6
Questão
What flood management strategies were introduced after the 1927 flood? Select five answers?
Responda
Dams and Reservoirs
Afforestation
Diversionary Spillways
Channelisation
Strengthening Levees
River Restoration
Wetland and Riverbank Conservation
Questão 7
Questão
How many federal levees broke or were overtopped in the 1993 flood?
Responda
31
49
14
22
Questão 8
Questão
After the 1927 flood, how many dams were built along the Missouri stretch of the Mississippi River?
Responda
6
2
3
8
Questão 9
Questão
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?
Responda
16.5
19.2
21.3
32.6
Questão 10
Questão
Between 1934 and 1945 a 530km stretch of the Mississippi River was shortened by how much?
Responda
20km
192km
81km
300km
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