It shall be the duty of the Secretary of the Army to prescribe such regulations for the use, administration, and navigation of the navigable waters of the United States as in his judgment the public necessity may require for the protection of life and property, or of operations of the United States in channel improvement, covering all matters not specifically delegated by law to some other executive department. Such regulations shall be posted, in conspicuous and appropriate places, for the information of the public; and every person and every corporation which shall violate such regulations shall be deemed guilty of a misdemeanor and, on conviction thereof in any district court of the United States within whose territorial jurisdiction such offense may have been committed, shall be punished by a fine not exceeding $500, or by imprisonment (in the case of a natural person) not exceeding six months, in the discretion of the court.

Any regulations prescribed by the Secretary of the Army in pursuance of this section may be enforced as provided in section 413 of this title, the provisions whereof are made applicable to the said regulations.

The Secretary of the Army is authorized to make such rules and regulations for the navigation of the South and Southwest Passes of the Mississippi River as to him shall seem necessary or expedient for the purpose of preventing any obstruction to the channels through said South and Southwest Passes and any injury to the works therein constructed. The term “South and Southwest Passes”, as employed in this section, shall be construed as embracing the entire extent of channel in each case, between the upper ends of the works at the head of the pass and the outer or sea ends of the jetties at the entrance from the Gulf of Mexico; and any willful violation of any rule or regulation made by the Secretary of the Army in pursuance of this section shall be deemed a misdemeanor, for which the owner or owners, agent or agents, master or pilot of the vessel so offending shall be separately or collectively responsible, and on conviction thereof shall be punished by a fine of not less than $100, nor exceeding $500, or by imprisonment for not exceeding three months, or by both fine and imprisonment, at the discretion of the court.

[Authority to adopt regulations.] In the interest of the national defense, and for the better protection of life and property on the navigable waters of the United States, the Secretary of the Army is authorized and empowered to prescribe such regulations as he may deem best for the use and navigation of any portion or area of the navigable waters of the United States or waters under the jurisdiction of the United States endangered or likely to be endangered by Artillery fire in target practice or otherwise, or by the proving operations of the Government ordnance proving grounds at Sandy Hook, New Jersey, or at any Government ordnance proving ground that may be established elsewhere on or near such waters, and of any portion or area of said waters occupied by submarine mines, mine fields, submarine cables, or other material and accessories pertaining to seacoast fortifications, or by any plant or facility engaged in the execution of any public project of river and harbor improvement; and the said Secretary shall have like power to regulate the transportation of explosives upon any of said waters: Provided, That the authority conferred shall be so exercised as not unreasonably to interfere with or restrict the food fishing industry, and the regulations prescribed in pursuance hereof shall provide for the use of such waters by food fishermen operating under permits granted by the Department of the Army.

[Detail of vessels to enforce regulations.] To enforce the regulations prescribed pursuant to this section, the Secretary of the Army, may detail any public vessel in the service of the Department of the Army, or, upon the request of the Secretary of the Army, the head of any other department may enforce, and the head of any such department is authorized to enforce, such regulations by means of any public vessel of such department.

[Posting and violation of regulations.] The regulations made by the Secretary of the Army pursuant to this section shall be posted in conspicuous and appropriate places, designated by him, for the information of the public; and every person who and every corporation which shall willfully violate any regulations made by the said Secretary pursuant to this section shall be deemed guilty of a misdemeanor, and upon conviction thereof in any court of competent jurisdiction shall be punished by a fine not exceeding $500, or by imprisonment (in the case of a natural person) not exceeding six months, in the discretion of the court.

[Venue and jurisdiction of offenses; procedure.] Offenses against the provisions of this section, or any regulation made pursuant thereto, committed in any Territory or other place subject to the jurisdiction of the United States where there is no court having general jurisdiction of crimes against the United States, shall be cognizable in any court of such place or Territory having original jurisdiction of criminal cases in the place or Territory in which the offense has been committed, with the same right of appeal in all cases as is given in other criminal cases where imprisonment not exceeding six months forms a part of the penalty, and jurisdiction is conferred upon such courts and such courts shall exercise the same for such purposes; and in case any such offense be committed beyond the territorial jurisdiction of any court having jurisdiction thereof, the offense shall be deemed and held to have been committed within the jurisdiction in which the offender may be found or into which he is first brought, and shall be tried by the court having jurisdiction thereof.

The Secretary of the Army is authorized and directed to have water gauges established, and daily observations made of the rise and fall of the Mississippi River and its tributaries.

For the purpose of securing the uninterrupted gauging of the waters of the Mississippi River and its tributaries, as provided for in this section, upon the application of the Chief of Engineers, the Secretary of the Army is authorized to draw his warrant or requisition, from time to time, upon the Secretary of the Treasury for such sums as may be necessary to do such work, not to exceed in the aggregate for each year the sum of $9,600.

The passage of vessels to and from the harbor of Michigan City, in Indiana, shall be free and not subject to toll or charge.

The Government iron pier in Delaware Bay near Lewes, Delaware, shall be open to public use under regulations to be prescribed by the Secretary of the Army.

The Tennessee, Coosa, Cahawba, and Black Warrior Rivers, within the State of Alabama, shall be forever free from toll for all property belonging to the United States, and for all persons in their service, and for all citizens of the United States, except as to such tolls as may be allowed by Act of Congress.

The Des Moines River shall forever remain free from any toll, or other charge whatever, for any property of the United States, or persons in their service, passing along the same.

All the navigable rivers and waters in the former Territories of Orleans and Louisiana shall be and forever remain public highways.

The consent of the Congress is given to the States of North Dakota, South Dakota, Minnesota, Wisconsin, Iowa, and Nebraska, or any two or more of them, by such agreement or compact as they may deem desirable or necessary, or as may be evidenced by legislative acts enacted by any two or more of said States, not in conflict with the Constitution of the United States or any law thereof, to determine and settle the jurisdiction to be exercised by said States, respectively, over offenses arising out of the violation of the laws of any of said States upon any of the waters forming the boundary lines between any two or more of said States, or waters through which such boundary line extends, and that the consent of the Congress be, and the same is, given to the concurrent jurisdiction agreed to by the States of Minnesota and South Dakota, as evidenced by the act of the Legislature of the State of Minnesota approved April 20, 1917, and the act of the Legislature of the State of South Dakota approved February 13, 1917.

After there shall be conveyed to the United States, free of cost, a valid title to the line of water communication between Taylors Bayou and Sabine Pass, in the State of Texas, known as the Port Arthur Ship Canal, together with a valid title to the turning basin as existing June 19, 1906, and to the artificial slip on which the lumber dock of the Port Arthur Canal and Dock Company is built, the said waterways shall thereupon become free public waters of the United States, and be subject to the laws enacted by Congress for the maintenance, preservation, protection, and regulation of navigable waters: Provided, That the company or corporation conveying title to said canal as aforesaid shall also convey to the United States, free of cost, the fee to a strip of land one hundred and fifty feet wide along the westerly margin of the canal, except that where the right of way of the Southern Pacific Railroad Company prevents the transfer of such strip of land along the westerly margin of said canal there shall be conveyed such strip on the easterly margin thereof as may be necessary to make up such one hundred and fifty feet of width, with the reservation that until Congress shall have authorized and provided for the enlargement and widening of said canal the said company or corporation, its successors or assigns, shall have the right to control, occupy, and use the said strip of land and every part thereof in the same manner and to the same extent as before the execution and delivery of the conveyance, and also the right to transfer, lease, sell, quitclaim, or otherwise dispose of said property and every part thereof, subject to the grant made to the United States. The charges for the use of said docks and wharves shall be just and reasonable and shall not be greater than charges for similar services at other ports of the United States on the Gulf of Mexico.