57 STAT.] 78TH OONG., 1ST SESS.-CH. 219-JULY 12, 1943 During the fiscal year 1944 the head of any department or inde- pendent establishment of the Government having funds available for scientific investigations within the scope of the functions of the Bureau of Mines may, with the approval of the Secretary, transfer to the Bureau such sums as may be necessary therefor, which sums so transferred may be expended for the same objects and 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 sanita- tion 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. Helium production and investigations: The sums made available for the fiscal year 1944 in the Acts making appropriations for the War and Navy Departments for the acquisition of helium from the Bureau of Mines shall be transferred to the Bureau of Mines on July 1, 1943, for operation and maintenance of the plants for the production of helium for military and naval purposes, including laboratory gloves, goggles, rubber boots, and aprons- purchase, not to exceed $4,500, maintenance, operation, and repair of motor-propelled passenger-carrying vehicles, and all other necessary expenses, and including $40,000 for personal services in the District of Columbia, in addition to which sums the Bureau of Mines may use for helium-plant operations in the fiscal year 1944 the unobligated balance of funds transferred to it for such operations, in the fiscal year 1943: Provided, That section 3709, Revised Statutes, shall not be construed to apply to this appropriation, or to the appropriation for development and operation of helium properties (special fund) in section 3 (c) of the Act of September 1, 1937 (50 U. S . C . 164). The Bureau of Mines is hereby authorized, during the fiscal year 1944, to sell directly or through any Government agency, including corporations, any metal or mineral product that may be manufactured in pilot plants operated from funds appropriated to the Bureau of Mines, and the proceeds of such sales shall be covered into the Treas- ury as miscellaneous receipts. Total, Bureau of Mines, $16,170,875. NATIONAL PARK SERVICE Salaries: For departmental personal services, including such serv- ices in the District of Columbia, and for the services of employees (including the temporary employment of specialists and experts without regard to civil service requirements) to examine lands to determine their suitability for inclusion in the national park system, $337,500. Regional headquarters: For salaries and expenses of regional head- quarters necessary in the administration, protection, maintenance, and improvement of the national park system, including maintenance, operation, and repair of motor-driven passenger-carrying vehicles, $186,110. General expenses: For all expenses necessary for the work of the office of the Director not herein provided for, including traveling expenses, telegrams, photographic supplies, prints, and motion-picture films, and expenses of employees engaged in examining lands to determine their suitability for inclusion in the national park system, $23 000. tiona l parks: For administratiol n, protection, maintenance, and improvement of national parks, including maintenance and operation of passenger-casyin automobiles; $3,000 for George B Dorr, as 485 Cooperative work on scientific investi- gations. Transfer of funds. Detail of medical officers. Helium production and investigations. Transfer of funds. Ante, pp. 207, 36. Post, p. 624. 41 . S.C. i5. 50 Stat. 886 . Sale of products of pilot plants. Admiitrtion, ete.