57 STAT.] 78TH OONG. , 1 8T SESS.-CH. 219-JULY 12, 1943 passenger-carrying vehicles; purchase of special wearing apparel or equipment for the protection of employees while engaged in their work, $900,000: Provided, That the Secretary, acting through the Director of the Bureau of Mines, is hereby authorized to accept build- ings, equipment, and other contributions 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. Production of alumina from low-grade bauxite, aluminum clays and alunite (national defense): For all expenses necessary, without regard to section 3709, Revised Statutes, to the conduct of investiga- tions and research on processes for production of alumina from siliceous bauxites, aluminum clays and alunite, including all necessary laboratory research; maintenance and operation of small subcom- mercial plants; procurement of necessary materials and ores; con- struction and equipment of buildings to house testing and subcommercial plant units; engagement by contract or otherwise, and at such rates of compensation as the Secretary may determine, of the services of engineers, architects, or firms or corporations thereof, that are necessary to design and construct the buildings and plant units; purchase of supplies and equipment; travel expenses; not to exceed $15,000 for personal services in the District of Columbia; purchase of furniture and equipment, stationery and supplies, professional books and publications; purchase of special wearing apparel or equipment for protection of employees engaged in their work, $490,000. Investigation of bauxite and alunite ores and aluminum clay deposits (national defense): For all necessary expenses, without regard to section 3709, Revised Statutes, for investigations including laboratory research and procurement of materials therefor, concern- ing 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 prospecting; construction, mainte- nance, and repair of necessary camp buildings and mining structures and appurtenances; including not to exceed $52,500 for personal serv- ices in the District of Columbia; purchase (not to exceed $6,000), operation, maintenance and repair of motor-propelled passenger- carrying vehicles; professional 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 1944", $1,860,000, of which $317,000 (including not to exceed $19,800 for personal services in the District of Columbia) shall be made available to the Geological Survey to carry out the purposes of this appro- priation: Provided, That the Secretary, acting through the Directors of the Bureau of Mines and the Geological Survey, is hereby author- ized to accept buildings, equipment, and other contributions from public or private sources, and to carry out the projects in cooperation with other departments or agencies of the Federal Government, States, and State agencies, and other organizations. Magnesium pilot plants and research (national defense): For all necessary expenses, without regard to section '3709 of the Revised Statutes, for the conduct of investigations and development of methods for the recovery of magnesium from domestic raw materials, including naturally occurring brines, salt deposits, dolomite, mag- 483 Contributions. Alumina. Production from low-grade bauxite, etc. Post, p. 623. 41 U.S. C. I. Personal services. 41U.S.0. 6. Aute, p. 46 . Contributoi Magneium pilot plants and reserch. 41U . c..IL
�
