Upper Mississippi River system

(1) the terms “Upper Mississippi River system” and “system” mean those river reaches having commercial navigation channels on the Mississippi River main stem north of Cairo, Illinois; the Minnesota River, Minnesota; Black River, Wisconsin; Saint Croix River, Minnesota and Wisconsin; Illinois River and Waterway, Illinois; and Kaskaskia River, Illinois;


33 USC § 652(b)(1)

Scoping language

For purposes of this section
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