53 STAT.] 76TH CONG. , 1ST SESS.-CH. 119-MAY 10, 1939 United States. All details made hereinunder, and the purposes of each, during the preceding fiscal year shall be reported in the annual estimates of appropriations to Congress at the beginning of each regular session thereof; The Secretary of the Treasury may detail medical officers of the Public Health Service for cooperative health, safety, or sanitation work with the Bureau of Mines, and the compensation and expenses of the officers so detailed may be paid from the applicable appropria- tions made herein for the Bureau of Mines; Appropriations for the fiscal year 1940 available for expenses of travel of officers and employees of the Bureau of Mines, and funds transferred thereto, shall be available for expenses of travel per- formed by them on transfer from one official station to another when authorized by the Secretary of the Interior, and for the expenses incurred in packing, crating, drayage, and transportation of house- hold effects and other personal property of employees so transferred, under regulations to be prescribed by the Secretary of the Interior; Total, Bureau of Mines, $2,495,760. NATIONAL PARK SERVICE Salaries: For the Director of the National Park Service and other personal services in the District of Columbia, including accounting services in checking and verifying the accounts and records of the various operators, licensees, and permittees conducting utilities and other enterprises within the national parks and monuments, and including the services of specialists and experts for investigations and examinations of lands to determine their suitability for national- park and national-monument purposes: Provided, That such spe- cialists and experts may be employed for temporary service at rates to be fixed by the Secretary of the Interior to correspond to those established by the Classification Act of 1923, as amended, and without reference to the Civil Service Act of January 16, 1883, $259,580, of which amount not to exceed $19,200 may be expended for the services of field employees engaged in examination of lands and in developing the educational work of the National Park Service. Regional offices: For salaries and expenses of regional offices neces- sary m the administration, protection, maintenance, and improvement of the National Park System, including not to exceed $1,200 for the purchase, maintenance, operation, and repair of motor-driven pas- senger-carrying vehicles, and not exceeding $8,000 for personal services in the District of Columbia, $34,000. General expenses: For every expenditure requisite for and incident to the authorized work of the office of the Director of the National Park Service not herein provided for, including traveling expenses, telegrams, photographic supplies, prints, and motion-picture films, necessary expenses of attendance at meetings concerned with the work of the National Park Service when authorized by the Secretary of the Interior, and necessary expenses of field employees engaged in examination of lands and in developing the educational work of the National Park Service, $36,500: Provided,That necessary expenses of field employees in attendance at such meetings, when authorized by the Secretary, shall be paid from the various park and monument appropriations. Acadia National Park, Maine: For administration, protection, and maintenance, including $3,000 for George B. Dorr as superintendent without regard to the requirements of the provisions of the Civil Service Retirement Act approved May 22, 1920 (5 U. S . C. 691-693, 697-731), as amended, $3,000 for temporary clerical services for inves- 725 Report of details to Congress. Details from Public Health Service. Traveling expenses, on transfer from one station to another. Transportation of household effects, etc. Salaries. Specialists and ex- perts. Proviso. Employment with- out reference to Civil Service, etc., acts. 5 U.S .c . § 661-674; Supp. IV, §§ 673,673c. 5 U.S.C. §§ 631-652. Field employees. Itegional offices. General expenses. Proviso. Field employees, at- tendance at meetings. National parks, ad- ministration, etc. Acadia, Maine. George B. Dorr. 5U. S. C. 1 691-93, 697-731; Supp. Iv, ch. 14.