46 C.F.R. § 90.10-19 Lakes, bays, and sounds.
Title 46 - Shipping
Under this designation shall be included all vessels navigating the waters of any of the lakes, bays, or sounds other than the waters of the Great Lakes.
Title 46: Shipping
PART 90—GENERAL PROVISIONS
Subpart 90.10—Definition of Terms Used in This Subchapter
§ 90.10-19 Lakes, bays, and sounds.