States in the District of Columbia, $250,400, of which amount not to exceed $29,400 may be expended for personal services in the District of Columbia; Mineral mining in- Mineral mining investigations: For inquiries and scientific and vesigaions. technologic investigations concerning the mining, preparation, treat- ment, and utilization of ores and mineral substances, other than fuels, with a view to improving health conditions and increasing safety, efficiency, economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries; to inquire into the economic conditions affecting these industries; and including all equipment, supplies, Vehicles. expenses of travel and subsistence, and the purchase, not to exceed $12,000, including exchange, operation, maintenance, and repair of motor-propelled passenger-carrying vehicles for official use in field work, including not to exceed $24,700 for personal services in the Dis- nvestigations for trict of Columbia, $270,860: Provided,That no part of this appropria- private parties. tion may be expended for an investigation in behalf of any private party; Oiland gas investi- Oil and gas investigations: For inquiries and investigations and gatons. dissemination of information concerning the mining, preparation, treatment, and utilization of petroleum and natural gas, including economic conditions affecting the industry, with a view to economic development and conserving resources through the prevention of waste; for the purchase of newspapers relating to the oil, gas, and Purchase of news- allied industries: Provided, That section 192 of the Revised Statutes papers. (5 U. S . C . 102) shall not apply to such purchase of newspapers from s u.s. §102. this appropriation; and for every other expense incident thereto, including supplies, equipment, expenses of travel and subsistence, pur- chase, not to exceed $6,000, exchange as part payment for, mainte- nance, and operation of motor-propelled passenger-carrying vehicles for official use in field work, purchase of laboratory gloves, goggles, rubber boots, and aprons, $260,000, of which amount not to exceed $22,600 may be expended for personal services in the District of Columbia; staning experiment Mining experiment stations: For the employment of personal serv- ices, purchase of laboratory gloves, goggles, rubber boots, and aprons, the purchase not to exceed $3,000, exchange as part payment for, maintenance and operation of motor-propelled passenger-carrying vehicles for official use in field work, and all other expenses in con- nection with the establishment, maintenance, and operation of mining Additional stations. experiment stations, as provided in the Act authorizing additional 3, Stat. 959. 30U.S.C. 8. mining experiment stations, approved March 3, 1915 (30 I. S . C . 8), $365,000, of which appropriation not to exceed $17,100 may be expended for personal services in the District of Columbia; Pitcetsnurgh, ca Buildings and grounds, Pittsburgh, Pennsylvania: For care and care, etc., buildings and maintenance of buildings and grounds at Pittsburgh and Bruceton, grounds. Pennsylvania, including personal services, the purchase, exchange as part payment for, operation, maintenance, and repair of passenger automobiles for official use, and all other expenses requisite for and incident thereto, including not to exceed $5,000 for additions and improvements, $95,000; Economics of min- Economics of mineral industries: For inquiries and investigations, eral industries, Investigations, etc. and the dissemination of information concerning the economic prob- lems of the mining, quarrying, metallurgical, and other mineral indus- tries, 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, consumption, prices, and marketing of mineral commodities and pri- 328 PUBLIC LAWS---CH. 187-MAY 9, 1938 [52 STAT.
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