Subjgrp 84. Minnesota
- § 117.661 - Duluth Ship Canal (Duluth-Superior Harbor).
- § 117.663 - Minnesota River.
- § 117.664 - Rainy River, Rainy Lake and their tributaries.
- § 117.665 - Red River of the North.
- § 117.667 - St. Croix River.
- § 117.669 - St. Louis River (Duluth-Superior Harbor).
- § 117.671 - Upper Mississippi River.