33 U.S.C. § 407a: Deposit of debris of mines and stamp works

In places where harbor-lines have not been established, and where deposits of debris of mines or stamp works can be made without injury to navigation, within lines to be established by the Secretary of the Army, said officer may, and is authorized to, cause such lines to be established; and within such lines such deposits may be made, under regulations to be from time to time prescribed by him.