77TH CONG., 2D SESS.-CH. 473-JULY 2, 1942 the Secretary of the Interior may determine, of engineers, architects, or firms or corporations thereof that are necessary to design and construct the buildings and pilot plants; supplies and equipment; travel expenses; personal services in the District of Columbia (not to exceed $35,000); printing and binding (not to exceed $4,500); purchase in the District of Columbia and elsewhere of furniture and equipment, stationery and supplies, typewriting, adding and com- 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, $1,517,570: 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 con- tributions 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 organiza- tions: 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 (national defense): For all expenses necessary to the conduct of investigations and research on processes for production of alumina from siliceous bauxites, aluminum clays and alunite, in- cluding all necessary laboratory research; maintenance and operation of small subcommercial plants; procurement of necessary materials and ores; construction and equipment of buildings to house testing and subcommercial plant units; engagement by contract or other- wise, 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 con- struct the buildings and plant units; purchase of supplies and equip- ment; travel expenses; not to exceed $16,000 for personal services in the District of Columbia; purchase of furniture and equipment, sta- tionery and supplies, typewriters, adding and computing machines. professional and scientific books and publications; purchase of special wearing apparel or equipment for protection of employees engaged in their work, $742,875: Provided, That section 3709 of the Revised Statutes shall not be construed to apply to this appropriation; Investigation of bauxite and alunite ores and aluminum clay deposits (national defense) : For all necessary expenses for investi- gations, including laboratory research and procurement of materials therefor, concerning the extent, mode of occurrence, and quality of bauxite and alunite ores and aluminum clays in order to determine domestic sources of supply; to explore and develop on public lands and, with the consent of owners, on private lands, deposits of such ores and clays, including geologic studies and geophysical prospect- ing; construction, maintenance, and repair of necessary camp build- ings and mining structures and appurtenances; including not to exceed $38,000 for personal services in the District of Columbia; purchase (not to exceed $6,000), exchange as part payment for, operation, maintenance and repair of motor-propelled vehicles; pro- fessional and scientific books and publications; printing and binding; purchase of such wearing apparel and equipment as may be required for the protection of employees while engaged in their work; and other items otherwise properly chargeable to the appropriation "Contingent expenses, Department of the Interior, fiscal year 1943", $498,500, of which amount $80,000 (including not to exceed $17,500 65714°--43- -FT. I-35 Personal services. Provisos. Contributions. 41U.S.0.§5. Alumina. Production from low-grade bauxite, etc. Personal services. 'roi.iso. 41 U. S.C.§5. Ante, p. 509. 545 56 STAT.]
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