The term "Western Rivers," when it refers to regulations requiring towing vessels to carry navigational-safety equipment, charts or maps, and publications, includes the __________.

Correct Answer: Option D — All of the above

Under Title 33 CFR navigation safety regulations, the designated 'Western Rivers' encompass the Mississippi River and its navigable tributaries, the Red River, the Old River, and designated alternate deep-draft routes like Port Allen-Morgan City.