SIX’l`Y·NINTH CONGRESS. Sass. I. Cu. 280. 1926. 521 Total, Library, $84,180, of which not to exceed $60,000 may be ,,§;“'*°°=* **1 me Dir expended for personal services in the District of Columbia. ` nunnlsisoir PUBLIC ROADS ,...f.iE"“° “"“‘* sammns For chief of bureau and other personal services in the District ,,_§Q{‘Q§QE,;,§’,§‘,‘,§,,§’m“" Wi of Columbia in accordance with the Classification Act of 1923 and V ` for personal services in the field, $118,558. caxnnxn xxrnivsns, nUm·:AU or rnnmo norms "°““‘“1°""’“‘”· For salaries and the employment of labor in the city cf Washing- pu¥il§§‘§{’,f,Q"”·§,§‘§§§i§§; ton and elsewhere, supplies, office fixtures, apparatus, traveling and °‘°· all other necessary expenses, for conducting investigations and experiments, and for collating, reporting, and illustrating the results of same, and for preparing, publishing, and distributing bulletins and reports, as fol ows: Provided, That no part of these appro ria- §’0g'j,**°·umk,¤ my tions shall be expended for the rent or purchase of road-m&ing chrnrrrrescrimgn. machinery, except such as may be necessary for field experimental work as ereinafter provided for: i For inquiries in regard to systems of road management and eco- ,,,§f§‘§,_ ”‘*‘”g**‘“°“‘ nomic studies of highway construction, operation, maintenance, and value, either independently or in cooperation with the State high- way departments and other agencies, and for giving expert advice on these subjects, $55,000; _ _ M mm I { For investigations of the best methods Of road m8l¤11¤', €Sp0G1¤lly seefisvesciéstioiisri S' by the use of local materials; for studying the t es ofb mechanical p ants and appliances used for road building andp maintenance; for studying methods of road repair and maintenance suited to the E ml H, needs or different localities; for maintenance and repairs of experi- w¤y?°dm°° `““` mental highways, including the purchase of matenals and equi — ment; for furnishing expert advice on these subjects; and for tllie employment of assistants and labor, $82,951· s mm imma For investigating and reportin upon the utilization of water a¤vsmg¤¤1¤¤s.°°’°°°” in farm irrigation, including the methods to ap ly in prac- tice; the different kinds of power and appliances; the iibw of water in ditches, pipes, and other conduits; the duty, apportionment, and measurement of irrigation water, the customs, regu ations, and laws Dmimgo 0, wma, affecting irrigation; for investigating and reporting upon farm swsmpxsuasm. drainage and upon the drainage of swamp and other wet lands which may be made available for agricultural purposes; for pre- paring plans for the removal of surp us water by drainage; for the development of equipment for farm irrigation and drainage and for giving expert advice and assistance; or field experiments and investigations and the purchase and installation of eguipment for experimental purposes; for the preparation and il ustration of Domemc wmrsw reports and bulletins; for investigating farm domestic watersup ly ply, any buildings, and drainage disposal, the construction of farm buildings and other °°““"“°“°°’ °°°‘ rural engineering problems involving mechanical lprinciples, includ- ing the erection of such structures, outside of the istrict of C0lum— 0 md t bia as may be necessar for experimental purposes only; for rent ° °r°° ' outside the District of goluinbia; the employment of` assistants and labor in_the city of Wasliington and elsewhere; and for supplies and all other necessary expenses, $207,170; D _ ‘ ‘ The Secretary of Agriculture is authorized to expend not to ,,§g{¥’l‘“ ‘"" °"’*°‘ exceed $15,000 of the a ministrative fund rovided bythe Federal £i§,§ibrl;lii?g€S°f» far Aid Road Act of July 11, 1916, as amended, for supervising the 8i’vgi.4i,p.i17.` preparation, distribution, and use of picric acid, trinitrotoluol,
