Page:United States Statutes at Large Volume 43 Part 1.djvu/483

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452 SIXTY-EIGHTH CONGRESS. Sess. I. Ch. 266. 1924. of same, and for preparing, publishing, and distributing bulletins x- H mw and reports, as follows: Provzded, That no part of these appropriaemns-y me-men. tions shall be expended for the rent or purchase of road-mak1r§ machinery, except such as may be necessary for field experiment ‘ work as hereinafter provided for; ,,,,B{,‘Y°‘Q.Q,,§§{‘°°°°m°°t For inquiries in regard to systems_ of road management and economic studies of highway construction, operation,_ma1ntenance, and value, either independently or in cooperation with_ the State . highway departments and other agencies, and for giving expert my M_ advice on these subjects, $65,850; _ _ ams, sm., ingiegtxfga- For investigations of the best methods of road making, esplecially “°”*’· b the use of local materials; for studying the tgpes of mec anical plants and appliances used for road building an maintenance; for studying methods of road repair and maintenance suited to the , needs of different localities; and for furnishing expert advice on E mw these subjects, $73,700; _ _ _ _ _ _ ways. For maintenance and repairs of experimental highways, including i the purchase of materials and equipment; for the employment o F-ew- “SSFt“"ts “'i‘1 1‘€i’°" $?’°°°’a- ai ri- r i · . .._ · * ormvesigam an repom u n eu11za1ono waterm mv farm irrigation, iiiluding the bgst iidethods to ap ly in practice; the different kinds of power and appliances; the diow of water in ditches, pipes, and other conduits; the duty, apportionment, and _ measurement of irrigation water, the customs, regulations, and laws sw f,;,§_°"'“‘· aifecting irrigation; for investigating and reporting upon farm drainage and upon the drainage of swamp and other wet lands which may be made available for agricultural purposes; for preparing plans for the removal of surplus water by drainage; for the - development of equipment for farm irri tion and drainage and for giving expert advice and assistance; fdr field experiments and investigations and the purchase and installation of equipment for experimental purposes; for the preparation and illustration of reports and bulletins; for the employment of assistants and labor in the city of Washington and elsewhere; for rent outside the District Dmmcfm nm of Columbia; and or supplies and all necessary expenses, $145,650; . ,,,m,,,._ ,,,,,1,,,;,,, ,,,,,,, For investigating farm domestic water supply and drainage dis- ¤¤¤¤¤¤¤· ¤¤¢· posal, the construction of farm buildings, and other rural engineering problems involving mechanical rinciples, including the erection of such structures outside of the gistrict of Columbia as may be necessary for experimental purposes only, the employment of labor in the city of lVashington an elsewhere, supplies, and all other necessagy expenses, $35,300 _ _ .,§“¤{v*¤¤ W ¤¤v1¤· The ecreta? of A§1§U_tHP9_lS authorized to ex nd not to exnaenprigitn er, me ceed $15,000 0 the a lmstratlve fund provided hg the Federal “’v‘°,,1“*_,2,,,_“§{’$j Aid Road Act_of July 11, 1916, as amended, for supervising the preparation, distribution, and use of picric acid, trinitrotoluol, trogan powder, and such other surplus war ex losives as may be made available for use in clearing stumps andp stones from agricultural land, independently or in cooperation with agricultural aspen armenia. colleges and other agencies, and for investigating and repgrtin I;°Fel;*1~b`h_mmm,_ upon the results obtained from the use of the explosives: Pmwideg That expenditures hereunder shall be reimbursed to the administra: tive fund by charge to other Federal activities, agricultural colleges, or other agencies to which the explosives are distributed; ‘ ,,§§*"“*'°“'° °" For general administrative expenses connected with the abovementioned lines of investigations and experiments, $14,95* In all, general expenses, $350,435. 7 Total, Bureau of Public Roads, $474,175.