55 STAT.] 77TH CONG. , s1T SESS.-CH. 259-JUNE 28, 1941 puting machines, accessories and repairs; professional and scientific books and publications; purchase not to exceed $7,500 (including exchange as part payment), operation, maintenance, and repair of motor-propelled passenger-carrying vehicles; purchase of special wearing apparel or equipment for the protection of employees while engaged in their work, $930,000: Provided, That the Secretary of the Interior, acting through the Director of the Bureau of Mines, is hereby authorized to accept buildings, equipment, and other contribu- tions from public or private sources offering to cooperate in carrying out the purposes of this appropriation, and to operate the plants in cooperation with other departments or agencies of the Federal Government, States, and State agencies, and other organizations: Provided further, That section 3709 of the Revised Statutes shall not be construed to apply to this appropriation; Production of alumina from low-grade bauxite, aluminum clays and alunite: For all expenses necessary to the conduct of investiga- tions and research on processes for production of alumina from silice- ous bauxites, aluminum clays and alunite, including all necessary laboratory research; maintenance and operation of small subcommer- cial plants; procurement of necessary materials and ores; construc- tion and equipment of a building to house testing and subcommercial plant units; engagement by contract or otherwise, and at such rates of compensation as the Secretary of the Interior may determine, of the services of engineers, architects, or firms or corporations thereof, that are necessary to design and construct the building and plant units; purchase of supplies and equipment; travel expenses; purchase of furniture and equipment, stationery and supplies, typewriters, add- ing and computing machines, professional and scientific books and publications; purchase of special wearing apparel or equipment for protection of employees engaged in their work, $85,000, to be imme- diately available: Provided, That section 3709 of the Revised Statutes shall not be construed to apply to this appropriation; During the fiscal year 1942 the head of any department or inde- pendent establishment of the Government having funds available for scientific investigations and requiring cooperative work by the Bureau of Mines on scientific investigations within the scope of the functions of that Bureau and which it is unable to perform within the limits of its appropriations may, with the approval of the Secretary of the Interior, transfer to the Bureau of Mines such sums as may be neces- sary to carry on such investigations. The Secretary of the Treasury shall transfer on the books of the Treasury Department any sums which may be authorized hereunder, and such amounts shall be placed to the credit of the Bureau of Mines for the performance of work for the department or establishment from which the transfer is made: Provided, That any sums transferred by any department or independent establishment of the Government to the Bureau of Mines for cooperative work in connection with this appropriation may be expended in the same manner as sums appropriated herein may be expended; The Federal Security Administrator may detail medical officers of the Public Health Service for cooperative health, safety, or sani- tation work with the Bureau of Mines, and the compensation and expenses of the officers so detailed may be paid from the applicable appropriations made herein for the Bureau of Mines; Total, Bureau of Mines, $4,662,470. NATIONAL PARK SERVICE Salaries: For the Director of the National Park Service and other personal services in the District of Columbia, including accounting 345 Provisos. Contributions. Minor purchases. 41U.S.C. 5. Production of alu- mina. Proviso. 41U.S.C. §5. Cooperative work on scientific investi- gations. Transfer of funds. Proviso. Expenditure. Details from Public Health Service.
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