PUBLIC LAWS-CH. 337-JULY 25, 1947 contributions from public or private sources and to prosecute projects in cooperation with other agencies, Federal, State, or private. Buildings and grounds, Pittsburgh, Pennsylvania: For care and maintenance of buildings and grounds at Pittsburgh and Bruceton, Pennsylvania, including personal services, and other expenses requi- site for and incident thereto, including not to exceed $8,500 for addi- tions and improvements, $140,000. Economics of mineral industries: For investigations, and the dis- semination of information concerning the economic problems of the mining, quarrying, metallurgical, and other mineral industries, with a view to assuring ample supplies and efficient distribution of the mineral products of the mines and quarries, including studies and reports relating to uses, reserves, production, distribution, stocks, con- sumption, prices, and marketing of mineral commodities and primary products thereof; preparation of the reports of the mineral resources of the United States, including special statistical inquiries; purchase of furniture and equipment; stationery and supplies; and other neces- sary expenses not included in the foregoing, $680,000, of which not to exceed $580,000 may be expended for personal services in the District of Columbia. Helium utilization and research: For expenses necessary to conduct inquiries and scientific and technologic investigations concerning resources, production, repurification, storage, and utilization of helium, independently or in cooperation with other agencies, public or private; including purchase of not to exceed one passenger motor vehicle; and other items otherwise properly chargeable to the appro- priation "Contingent expenses, Department of the Interior"; $90,000, including not to exceed $9,000 for personal services in the District of Columbia. Transfer of funds. Helium production and investigations: The sums made available for the fiscal year 1948 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, 1947, for operation and maintenance of the plants for the production of helium for military and naval purposes, including purchase of eight passenger motor vehicles; the purchase in the District of Columbia and elsewhere of items otherwise properly chargeable to the appropriation "Con- tingent expenses, Department of the Interior" (not exceeding $5,000); and $46,500 for personal services in the District of Columbia: Pro- 41 U.8. C. 5. ided, That section 3709, Revised Statutes, as amended, shall not be construed to apply to this appropriation, or to the appropriation for development and operation of helium properties (special fund) in sec- 50 stat. 887. tion 3 (c) of the Act of September 1, 1937 (50 U. SC . 164): Provided Transorton further That funds available for the production of helium and the development of helium properties may be utilized to provide trans- portation between helium plants and related facilities and communi- ties that provide adequate living accomodations of persons engaged in the operation and maintenance of helium plants; and for transporta- tion to and from schools of pupils who are dependents of such per- Pooling of equip- sons: Providedfurther, That pursuant to agreements approved by the Secretary, the transportation equipment available to the Bureau of Mines may be pooled with that of school districts and other local or Federal agencies for use in transporting persons engaged in operation and maintenance of helium plants, pupils who are dependents of such persons, and other pupils, and m the interest of economy the expenses of operating such equipment may be shared. Sientmfc investiga During the fiscal year 1948 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 482 [61 STAT.