57 STAT.] 78TH CONG. , IST SESS.-CH. 115 -JUNE 2, 1943 (33 U. S . C . 661, 678, and 683); for removing sunken vessels or craft obstructing or endangering navigation as authorized by law; for operating and maintaining, keeping in repair, and continuing in use without interruption any lock, canal (except the Panama Canal), canalized river, or other public works for the use and benefit of naviga- tion belonging to the United States, including maintenance of the Hennepin Canal in Illinois; for payment annually of tuition fees of not to exceed fifty student officers of the Corps of Engineers at civil technical institutions under the provisions of section 127a of the National Defense Act, as amended (10 U. S . C . 535); for examina- tions, surveys, and contingencies of rivers and harbors; for printing and binding, newspapers, lawbooks, books of reference, periodicals, and office supplies and equipment required in the Office of the Chief of Engineers to carry out the purposes of this appropriation, includ- ing such printing as may be authorized by the Committee on Printing of the House of Representatives, either during a recess or session of Congress, of surveys authorized by law, and such surveys as may be printed during a recess of Congress shall be printed, with illustrations, as documents of the next succeeding session of-Congress, and for the purchase of two hundred motor-propelled passenger-carrying vehicles and five motorboats: Provided?That no part of this appropriation shall be expended for any preliminary examination, survey, project, or estimate not authorized by law, $35,700,000, and, in addition, $3,000,000 of the unobligated balance on June 302 1943, of the appro- priation "Maintenance and improvement of existing river and harbor works", is hereby made available for the execution of detailed inves- tigations and the preparation of plans and specifications for projects heretofore or hereafter authorized: Provided,That from this appro- priation the Secretary of War may, in his discretion and on the recommendation of the Chief of Engineers based on the recommenda- tion by the Board of Rivers and Harbors in the review of a report or reports authorized by law, expend such sums as may be necessary for the maintenance of harbor channels provided by a State, munici- pality, or other public agency, outside of harbor lines and serving essential needs of general commerce and navigation, such work to be subject to the conditions recommended by the Chief of Engineers in his report or reports thereon: Provided further, That no appropria- tion under the Corps of Engineers for the fiscal year 1944 shall be available for any expenses incident to operating any power-driven boat or vessel on other than Government business: Providedfwrther, That not to exceed $1,000 of the amount herein appropriated shall be available for the support and maintenance of the Permanent Inter- national Commission of the Congresses of Navigation and for the payment of the actual expenses of the properly accredited delegates of the United States to the meeting of the Congresses and of the Commission. FLOOD CONTROL Flood control, general: For the construction and maintenance of certain public works on rivers and harbors for flood control, and for other purposes, in accordance with the provisions of the Flood Control Act, approved June 22, 1936, as amended and supplemented, including printing and binding, newspapers, lawbooks, books of ref- erence, periodicals, and office supplies and equipment required in the Office of the Chief of Engineers to carry out the purposes of this appropriation, and for the purchase of forty motor-propelled pas- senger-carrying vehicles and one motorboat, and for preliminary examinations, surveys, and contingencies in connection with flood control, $100, and, in addition, $3,000,000 of the unobligated balance 95 Student officers. 41 Stat. 785. 10 U.S. C., Supp. II, 635. Printing and bind- ing. Unauthorized ur- veys, etc. Investigations, etc. Harbor channels. Power-driven boats Permanent Interna- tional Commission of Congresses of Navig tion. Post, pp. 521, 544 Construction and maintenance. 49 Stat. 1570. 33U. S. C. §§701a- 701f, 701h; Supp. II, §§ 701b to 701f-1. Plans and spedla- tions.
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