It shall be the duty of the Secretary of the Army to prescribe such rules and regulations in respect to the use and administration of the reservoirs at the headwaters of the Mississippi River as in his judgment the public interest and necessity may require; which rules and regulations shall be posted in some conspicuous place or places for the information of the public. And any person knowingly and willfully violating such rules and regulations shall be liable to a fine not exceeding $500, or imprisonment, not exceeding six months, the same to be enforced by prosecution in any district court of the United States within whose territorial jurisdiction such offense may have been committed. And the Secretary of the Army shall cause such gaugings to be made at or near Saint Paul during the annual operation of said reservoirs as shall determine accurately the discharge at that point, the cost of same to be paid out of the annual appropriation for gauging the waters of the Mississippi River and its tributaries.

Upon the termination of the contract entered into with the late James B. Eads for the maintenance of the channel through the South Pass of the Mississippi River, the Secretary of the Army is directed to take charge of said channel, including the jetties, and all auxiliary works connected therewith, and thereafter to maintain with the utmost efficiency said South Pass Channel; and for that purpose he is authorized to draw his warrants from time to time on the Treasurer of the United States, until otherwise provided for by law, for such sums of money as may be necessary, not to exceed in the aggregate for any one year $100,000. For that purpose any available Government dredge may be used.

For the purpose of securing the uninterrupted examinations and surveys of the South Pass of the Mississippi River, the Secretary of the Army, upon the application of the Chief of Engineers, 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 $10,000.

The Secretary of the Army is authorized to allot not to exceed $5,000,000 from any appropriations made prior to or after March 2, 1945, for any one fiscal year for improvement of rivers and harbors, for removing accumulated snags, obstructions, and other debris located in or adjacent to a Federal channel, and for protecting, clearing, and straightening channels in navigable harbors and navigable streams and tributaries thereof, when in the opinion of the Chief of Engineers such work is advisable in the interest of navigation, flood control, ecosystem restoration, or recreation.

For the purpose of removing snags, wrecks, and other obstructions in the Mississippi River, the Atchafalaya and Old Rivers from the junction with the Mississippi and Red Rivers down the Atchafalaya River as far down as Melville, Louisiana, the Secretary of the Army, upon the application of the Chief of Engineers, 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 $100,000.

For the purpose of securing the uninterrupted work of operating snag boats on the Upper Mississippi River, the Illinois River, from its mouth to Copperas Creek, and the Minnesota River and other tributaries of the Upper Mississippi River improved by the United States, the Secretary of the Army, upon the application of the Chief of Engineers, 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 $25,000.

For the purpose of securing the uninterrupted work of operating snag boats on the Ohio River and removing snags, wrecks, and other obstructions in said river, the Secretary of the Army, upon the application of the Chief of Engineers, 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 $50,000.

So much as may be necessary of any appropriations made for specific portions of New York Harbor and its immediate tributaries may be allotted by the Secretary of the Army for the maintenance of these waterways by the collection and removal of drift.

On and after July 3, 1930, direct allotments from appropriations for maintenance and improvement of existing river and harbor works or other available appropriation may be made by the Secretary of the Army for the collection and removal of drift in New York Harbor and its tributary waters, and this work on and after July 3, 1930, shall be carried as a separate and distinct project.

Whenever river and harbor improvements shall be found to operate (whether by lock and dam or otherwise), as obstructions to the passage of fish, the Secretary of the Army may, in his discretion, direct and cause to be constructed practical and sufficient fishways, to be paid for out of the general appropriations for the streams on which such fishways may be constructed.

In order to make possible the economical future development of water power, the Secretary of the Army, upon recommendation of the Chief of Engineers, is authorized, in his discretion, to provide in the permanent parts of any dam authorized at any time by Congress for the improvement of navigation such foundations, sluices, and other works, as may be considered desirable for the future development of its water power.