SIXTY-EIGHTH CONGRESS. Sess. I. Ch.264. 1924. 421 the_mini11g, quarrying, metallurgical, and other mineral industries; to inquire mto the economic conditions aifecting these industries; and including all equ1pment, supplies, expenses of travel and subsistence: Provided, That no part thereof may be used for investi- §`,'§’@ wm ,0, gation in behalf of any private party $128,360; · bigden- 1 , in Not exceeding 20 per centum of the preceding sums for investi- zu¤iis11iiiiczi°rv°°s gation as to the causes of mine explosions; for inquiries and d,,‘§,g,‘§§',‘f,‘Q,°°$,{{’§g§§‘,Q§E scientific and technologic investigations concerning the mining, *i<>¤¤·¢¢¢- preparation, treatment, and utilization of ores and mineral substances other than fuels; and for investigation of mineral fuels may be used during the fiscal year 1925 for personal services in the District of Columbia; ‘ For inquiries and investigations and dissemination of informa- ,,,."°§'§°‘2,‘:;gi‘;,‘},,';§ tion 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 enforce- i¤§{’.i°fii°;1Lgta‘?Y,i8§°gii°` ment of the provisions of the Act of February 25, 1920, relating °’·*1·PP-“1·“8· to the operation of oil, oil shale, and gas leases on the public domain, for enforcement of laws relatin to the operation of oil, oil shale, and gas leases on Indian and public lands and naval petroleum reserves; for the purchase of newspapers relating to the P,,°"“f‘“"“'“· oil, gas and allied industries: Provided. That section 192 of the n.s. sec.192,p.30. Revised Statutes shall not apply to such purchase of newspapers pu*§,°§,§’é°“°“ ”°” **9 from this appropriation; and for every other expense incident otuezexpcnses thereto, including supplies, equipment, expenses of travel and subsistence, purchase, exchan e as part payment for, maintenance and operation of motor-propelled passenger-carrying vehicles, and the construction, maintenance and repair of necessary candp buildings hmm, wm ,11 and appurtenances thereto: Provided, That not excee mg 15 per theDistrict?e centum of said amount may be used for personal services in the District of Columbia, $500,000; En, mm , ws r _ For enforcement of the provisions of the Acts of February 25, mmgoco noriimetallic 1920, and October 2, 1917, relating to the mining of coal, phos- m‘$§{?‘,§°§j“2,%, vo, phates, sodium, and potassium on the public domain, and for en- *°·l>-2% orcement of the laws relating to the mining of minerals other than oil, oil shale, and natural gas, on Indian and public lands, and every other expense incident thereto, including supplies, equipment, expenses of travel and subsistence, purchase, exchange as part pay- ment for maintenance, and operation of motor-propelled passengercarryirig vehicles, $91,360: rovided, That not exceeding 20 per Q u, ,,,, D,,_ cent o. this amount may be used for personal services in the me- District of Columbia; _ _ For the employment of .personal services and all other expenses °‘°°“‘“°“‘ in connection with the establishment, maintenance, and operation §,:y¤3¤g·p¤fé5,, of mining experiment stations, authorized by the Act approved ' ' March 3, 1915, $200,000; — For care and maintenance of buildings and grounds at Pittsburgh, ¤,§°“b“"°’ Pr "“' Pennsylvania, including personal services, the purchase, exchange E*¤¤¤¤· as part payment for, operation, maintenance, and repair of passenger automobiles for official use, and all other expenses requisite $.91* and incident thereto, $gn{cluding not to exceed $5,000 for addi- . 1ons an im rovements 400; Persons eniiployed duiin ’the Hscal year 1925 in field work out- m, ‘°’;Z$ Side of the District of Cogimbia under the Bureau of Mines may ‘-”'*°°L°*”°D*°*'*°*~ be detailed temporarily for service in the District of Columbia, for purposes of preparing results of their field work; all persons so detailed shall be paid in addition to their regular compensation only their actual traveling expenses or per diem in lieu of subsistence in going to and returning therefrom: Provided, That 1`"°°'
