55 STAT.] 77TH CONG., 1 ST SESS.-CH. 273-JULY 3, 1941 BUREAU OF RECLAMATION Protection of project works: For an additional amount, fiscal year 1942, for protection of project works, to be used for the employment of civilian guards, and other necessary expenses, independently or in cooperation with other agencies, as specified under this head in the Interior Department Appropriation Act, 1942, $410,000. BUREAU OF MINES Coal-mine inspections and investigations: For all expenses neces- sary to enable the Bureau of Mines to perform the duties imposed upon it by the Act of May 7, 1941 (Public Law 49); including sup- plies and equipment; traveling expenses; not to exceed $62,500 for personal services in the District of Columbia; not to exceed $25,000 for printing and binding; purchase in the District of Columbia and elsewhere of furniture and equipment, stationery and supplies, type- writing, adding, computing and addressing machines, and other labor-saving devices, accessories and repairs, including exchange and maintenance thereof; professional and scientific books and publica- tions; purchase, not to exceed $78,000 (including exchange as part payment), operation, maintenance and repair of motor-propelled trucks and passenger-carrying vehicles for official use in field work and in transporting employees between their homes and temporary loca- tions where they may be employed; purchase of special wearing apparel or equipment for the protection of employees while engaged in their work; travel and subsistence, and other incidental expenses of employees in attendance at meetings and conferences held for promot- ing safety and health in the coal-mining industry, fiscal year 1942, $729,000: 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 contributions from public or private sources offering to cooperate in carrying out the purposes of this appropriation. Helium plants and investigations: Section 3709 of the Revised Statutes shall not be construed to apply to expenditures from the appropriations for the Bureau of Mines for helium plants and inves- tigations in the First Deficiency Appropriation Act, 1941, approved April 1, 1941; for helium plants and investigations and helium pro- duction and investigations in the Interior Department Appropriation Act, 1942; and 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), authorizing the conservation, production, and exploitation of helium gas. NATIONALF PARK SERVICE National historical parks and monuments: For an additional amount for administration, protection, maintenance, and improve- ment, including not to exceed $1,050 for the purchase, maintenance, operation, and repair of motor-driven passenger-carrying vehicles, fiscal year 1942, $18,000: Provided, That the Mount Rushmore National Memorial Commission shall cease to exist or function on June 30, 1942. FISH AND WILDIFE SERVICE Inquiry respecting food fishes: For an additional amount for inquiry into the cause of the decrease of food fishes in the waters of the United States, fiscal year 1942, including the objects specified under this head in the Interior Department Appropriation Act, 1942, Ante, p. 177. Vehicles Special wearing ap- parel. Proriso. Acceptance of con- tributions. 41U. S. c. 5. Ante, p. 68. Ante, p. 344. 50 Stat. 887 Ante, p 349. Proei'Lo. Mount Rnshmon National Memorial Commission. Ate, p. M8. 553 Ante, p. 339.
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