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In page River engineering:

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Inadequate planning controls which have permitted development on floodplains have been blamed for the flooding of domestic properties. Channelization was done under the auspices or overall direction of engineers employed by the local authority or the national government. One of the most heavily channelized areas in the United States is West Tennessee, where every major stream with one exception (the Hatchie River) has been partially or completely channelized.[citation needed]