Inland waterways in the United States are dredged to a depth of ____ feet, which tends to be the minimum depth required for most barges.

Name: Inland waterways in the United States are dredged to a depth of ____ feet, which tends to be the minimum depth required for most barges.
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Inland waterways in the United States are typically dredged to a depth of nine feet, which is generally considered the minimum depth required for most barges to navigate safely.

Inland Waterways in the United States Are Dredged to a Depth