USCG Exam PracticeRule 3 — General Definitions
Under the Inland Navigation Rules, the term 'Western Rivers' includes which of the following waterways?
- A. The Great Lakes and their connecting and tributary waters, including the Saint Lawrence River as far east as the lower exit of Saint Lambert Lock
- ✓ The Mississippi River, its tributaries, South Pass, and Southwest Pass, to the navigational demarcation lines, and the Port Allen-Morgan City Alternate RouteCorrect
- C. All navigable waters of the United States shoreward of the navigational demarcation lines
- D. The Columbia River, Snake River, and their tributaries west of the Rocky Mountains
Why B is correct
33 CFR §83.03(n) defines 'Western Rivers' as the Mississippi River, its tributaries, South Pass, and Southwest Pass, to the navigational demarcation lines, the Port Allen-Morgan City Alternate Route, and the Atchafalaya River above its junction with that route including the Old River and the Red River. The Great Lakes system is defined separately under 33 CFR §83.03(o).