376 FORTY-FIFTH CONGRESS. Sess. III. Ch. 181. 1879. during the progress of the work thereon, such change shall be subject likewise to the approval of the Secretary of War ; and the said structure shall be at all times so kept and managed as to offer reasonable and proper means for the passage of vessels through or under said structure; and said structure shall be changed, at the cost and expense of the owners thereof, from time to time, as Congress inay direct, so as to preserve the free and convenient navigation of said river; and the authority to erect and continue said bridge shall be subject to revocation or modification by law, whenever the public good shall, in the judgment of Congress, so require, without any expense or charge to the United States. Righr m amend, Sec. 8. That the right to alter or amend this act, so as to prevent or cw. remove all material obstructions to the navigation of said river by the construction of said bridge, without expense to the United States, and, also to repeal this act, is hereby expressly reserved. Ends South Pass Sec. 9. That the fourth and succeeding sections of an act entitled juries. <*An Act making appropriations for the repair preservation, and completion of certain public works on rivers and harbors, and for other pur- 1875,ch. 134, poses " approved March third, anno Domini eighteen hundred and sev- 1** $*3*-- 46*% enty-five, authorizing James B. Eads and his associates to create and A""""d"d‘ permanently maintain a wide and deep channel between the South pass of the Mississippi River and the Gulfof Mexico be, and they are hereby, amended so as to provide in lieu of the payments therein provided, that payment to said Eads or his legal representatives shall be made as follows, namely: 1*aymnmaEad». The Secretary of War is hereby authorized and directed to draw his warrant upon the Secretary of the Treasury of the United States in favor of said James B. Eads or his legal representatives for the sum of seven hundred and fifty thousand dollars, which said sum is hereby appropriated; and the Secretary of the Treasury is hereby authorized and directed to pay to said Eads or his legal representatives, out of any money in the Treasury not otherwise appropriated, the sum for which said warrant is drawn. When a channel shall have been obtained by the action of the jetties and auxiliary works authorized by said act twenty-ve feet in depth, and not less than two hundred feet in width at the bottom, through the said jetties, there shall be paid five hundred thousand dollars. When a channel shall have been obtained through the jetties twenty- six feet in depth, and not less than two hundred feet in width at the bottom, there shall be paid five hundred thousand dollars. When a channel thirty feet in depth, without regard to width, shall have been obtained through the jetties, there shall be paid five hundred thousand dollars; and the one million dollars provided by the hereinbefore-recited act to be paid by the United States in ten and twenty years shall be earned by said Eads and his associates, and the same, with interest shall be paid to said Eads or his legal representatives, at the times and in the manner provided by said act. The one hundred thousand dollars per annum provided by said recited act to be paid to said Eads and his associates during a period of twenty years shall be paid at the times and in the manner therein provided; upon the maintenance by said Eads and his associates of a channel through the jetties twenty-six feet in depth, not less than two hundred feet in width at the bottom, and having through it a central depth of thirty feet without regard to width. Nothing herein contained shall be so construed as to repeal or in any 1878, ch. 313, wise adect the provisions of the amendatory act approved June nine- AMG. 168- teenth, anno Domini eighteen hundred and seventy-eight, by which said Earls is entitled to receive certain moneys to pay for materials furnished, labor done, and expenditures incurred in the construction of the work at the mouth of the Mississippi River ; and the whole of the here- 187s,¤1i.1:s4, inbefbre-recited act, approved March third, anno I)omini eighteen hun· 18 Stat., 463. dred and seventy-five, except as the same is hereby expressly modified or amended; or has by act heretofore passed been modified or amended,
