SEVENTIETH C ONGRESS . SEss . II. CH. 227. 1929 .
1211 ing, and illustrating the results of same, and for preparing, publish- ing, and distributing bulletins and reports, in addition to any moneys 42V l .2 313, p. 355 ; Vol. available from the funds provided under the Act of July 11, 1916 U.S. Code, p. 6t7. (U. S. C., p. 667, sec. 21), as amended: For necessary expenses for general administrative purposes, includ- o~iefoB ela u, and ing the salary of chief of bureau and other personal services in the District of Columbia, $70,500 . Road management : For inquiries in regard to systems of road Ro ad management management and economic studies of highway construction, opera- systems . tion, maintenance, and value, either independently or in cooperation with the State highway departments and other agencies, and for giving expert advice on these subjects, $65,000 . Road building investigations : For investigations of the best meth- Materials, plants, ods of road making, especially by the use of local materials ; for etc .,investigations . studying the types of mechanical plants and appliances used for road building and maintenance ; for studying methods of road repair and maintenance suited to the needs of different localities ; for main- Exp eri men tal hi gh- tenance and repairs of experimental highways, including the pur- Way s" chase of materials and equipment ; for furnishing expert advice on these subjects ; and for the employment of assistants and labor, $72,900 . Agricultu ral engineerin g : ricultu ral eFor investigating and reporting upo n Farm irrigation, etc . , the utilization of water in farm irrigation, including the best investigations . methods to apply in practice ; the different kinds of power and appliances ; the flow of water in ditches, pipes, and other conduits ; the duty, apport ionment, and measurement of irrigation w ater, the customs regulations, and laws affecting irrigation ; for investigating Drainage of farms, r1
b
swamp lands, etc . 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 irrigation and drainage and for giving expert advice and assistance ; for field experiments and investigations and the purchase and installation of equipment for experimental purposes ; for the preparation and Domestic water sup . illustration of reports and bulletins ; for investigating farm domestic ply . water supply and drainage disposal, the construction of farm build- ings and other rural engineering problems involving mechanical principles, including the erection of such structures outside of the District of Columbia as may be necessary for experimental purposes only ; for rent outside the District of Columbia ; the employment of assistants and labor in the city of Washington and elsewhere ; and fo r supp lies an d all o ther n ecessar y expen ses, $ 287,000 . Total, Bureau of Public Roads, $495,400, of which amount not to Services in the Dis . exceed $214,000 may be expended for personal services in the District triet" of Columbia . BUREAU OF AGRICULTURAL ECONOMICS SALARIES AND GENERAL EXPENSES Agricultural Eco . nomics Bureau. General expenses . Salaries, supplies, For salaries and the employment of labor in the city of labor, etc . Washington and elsewhere, furniture, supplies, traveling expenses, rent outside of the District of Columbia, and all other expenses necessary in conducting investigations, experiments, and demon- str ations , as fo llows For necessary expenses for general administrative purposes Chief of Bureau, and , office personnel . including the salary of chief of bureau and other personal services in the District of Columbia, $286,000 . Farm management and practice : To investigate and encourage the la,, management and practice . adoption of improved methods of farm management and farm prac- 54835°-_'9-rr 1-80
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