The Platte River in the State of Missouri is declared to be a nonnavigable stream within the meaning of the Constitution and laws of the United States, and jurisdiction over said river is declared to be vested in the State of Missouri.
The right of Congress to alter, amend, or repeal this section is expressly reserved.
(Feb. 16, 1921, ch. 62, §§ 1, 2, 41 Stat. 1105.)