454 FIFTY-FIRST CONGRESS. Sess. I. C11. 907. 1890. keeping in repair any qua , pier, wharf, weir, bridge, building, or other work lawfully erected, or to be erected on the banks or sides of any port, harbor, haven, channel, or navigable river, or to the casting out, unlading, or depositing of any material excavated for the improvement of navigable waters, into such pjaces and in such manner as may be deemed by the United States officer supervising said improvement most judicious and practicable and for the best interests of such improvements, or to prevent the depositing of anyvsubstance Depvsits by permit. above mentioned under a permit from the Secretary of ar, which he is hereby authorized to grant, in any place designated by him where navigation will not be obstructed thereby. '£¤gé*°¤¤ by Sec. 7. That it shall not be lawful to build any wharf, pier, 'dolphin, boom, dam, weir, breakwater, bulkhead, jetty, or structure of any kind outside established harbor-lines, or in any navigable waters of the United States where no harbor-lines are or may be established, without the permission of the Secretary of War, in any port, roadstead, haven, harbor, navigable river, or other waters of the United States, in such manner as shall obstruct or impair navigation, commerce, or anchora e of said waters, and it shall not be °°¤¤°j;<5g°gug; lawful hereafter to commence the construction of any brid e, bridgemm. draw, bridge piers and abutments, causeway or other works over or in any port, road, roadstead, haven, harbor, navigable river, or navigable waters of the United States, under any act of the legislative Semvgygiwtrw assembly of any State, until the location and plan of such bridge or mmm other works have been submitted to and approved by the Secretary |Alt¤;¤&¤<>¤, ew. ¤f of War, or to excavate or fill, or in any manner to a ter or modify the course, location, condition, or capacity of the channel ·of said naviglable water of the United States, unless approved and author-
- °°‘•°— yl th; Secretary ofblllgar: That this slectjpni shall
Existing lawful no app y any ri e, ri ge-draw, ri e iers an a u ments "'°‘°°°'°°’°°°‘ the construction of which has been herehdorg duly authorized by sg; m ¤¤·i¤· law, or be so construed as to authorize the construction of any bridge, wm ,,0. ,;,'{,i§"{ draw bridge, bridge piers and abutments, or other works, under an 8****- act of the egislature of any State, over or in any stream, port, roadstead, haven or harbor, or other navigable water not who ly within the limits of such State. nl-f$$,°g°°&;f$ Sec. 8. That all wrecks of vessels and other obstructions to the ezwn-. navigation of any port, roadstead, harbor, or navigable river, or other navigable waters of the United States, which may have been permitted y the owners thereof or the parties by whom they were caused to remain to the injury of commerce an navigation for a longer period than two months, shall be subject to be broken up and removed by the Secretary of War, without iability for any damage to the owners of the same. mgpmrgygwqi Sec. 9. That it shall not be lawful for any person or persons to maps'; ,gm,_" take possession of or make use for any exclusive purpose, or build upon, alter, deface, destroy, injure, obstruct, or in any other manner impair the usefulness of any sea-wall, bulkhead, jetty, dike, levee, wharf, pier, or other work built by the United States in whole or in part, for the preservation and improvement of any of its navigable waters, or to prevent floods, or as boundary marks, tide-gauges, surveying-stations, buoys, or other established marks, nor remove for ballast or other purposes any stone or other material composing such works. mbigulglngegfgg gl}; Sec. _10. That the creation of any obstruction, not afiirmatively muermuuuuea. authorized by law, to the navigable capacity of any waters, in respect of which the United States has jurisdiction, is hereby prohibited. The continuance of any such obstruction, except bridges, piers, docks and wharves, and similar structures erecte for business purposes, whether heretofore or hereafter created, shall consti- $¢v¤¤¤¤ <>¤¤¤¤- tute an offense and each week’s continuance of any such obstruction
