...establishment of harbor lines Is essential to the preservation and protection of harbors he may, and is, authorized to cause such lines to be established, beyond which no piers, wharves, bulkheads, or other works shall be extended or deposits made, except under such regulations...

...OF ENGINEERS, US ARMY, July ¿7, 1801. Respectfully submitted to the Secretary of War. It being made manifest to the Secretary of War that the establishment of harbor lines are essential i*> the preservation and protection of the harbor at San Podro, Wilmington llarlmr, California,...

...made without injury to navigation within lines to be established by the Secretary of War, said officer may and is hereby authorized to cause such lines to be established, and within such hues such deposits may be made under regulations to bo from time to time prescribed...