Thorny, You make a good point...except
Except about half of the pictures that you see there are actually just "locks" to let shipping traffic through. Earthen dikes make up the bulk of the system...
Dikes inside of dikes... if one fails the next one stops the water, expensive... yes
but not what N'awlins is gonna cost... That's expensive!
For 1/10th the cost of the upcoming clean up New Orleans would still be high and dry. When you compare that to the annual cost of snow clearing in the state of Minnesota... the cost of maintaining the dikes in New Orleans would have been comparable. Kind scary aint it!
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Living on the edge of sanity
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