Two of the four highest-volume rivers in the world are in western Canada, emptying merrily into the Pacific Ocean.
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There has been talk among NAU types about shipping Canadian water south. But the more better/cheaper/efficient model removes the water from the Mississippi at Spring flood and ships it a SHORTER distance to the southwest.
1. Over the Rocky Mountains is cheaper?
2. Isn't more volume readily available for a longer period from Canadian sources than merely relying on the Mississippi's spring surge?
3. Would downstream Mississippi users object to lower flow, or (as I suspect) would the diversion volumes seem negligible to them?