[PeterPrinciple]

Like the Great Plains during the dust bowl, due to the almost complete destruction of the deep-rooted prairie grass for farming in a region with very few trees.

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I would propose the destruction of the deep rooted prairie grass might have happened even if there was no farming.

It was a multiple year drought.

[piasa]

The prairie grass in that region was tilled under years before the dust bowl drought began, not during and after.