Page:United States Statutes at Large Volume 46 Part 1.djvu/255

 212 SEVENTY-FIRST CONGRESS. SESS. II. Cg. 184. 1930 . purposes of preparing results of their field work ; all persons so detailed shall be paid in addition to their regular compensation only Proviso. traveling expenses in going to and returning therefrom : Provided, Payment of neces- sary expenses. That nothing herein shall prevent the payment to employees of the Bureau of Mines of their necessary expenses, or per diem in lieu of subsistence, while on temporary detail in the District of Columbia for purposes only of consultation or investigations on behalf of the Report to congress. 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 Health S Details from Public The Secretary of the Treasury may detail medical officers of the Service. P ublic He alth Ser vice for cooperat ive heal th, safe ty, or s anitation work with the Bureau of Mines, and the compensation and expenses of the officers so detailed may be paid from the applicable appro- priations made herein for the Bureau of Mines Go vern men t fu el Government fuel yard s : Fo r the purc hase and trans port ation of yards. Purchase of fuel, fuel ; storing and handling of fuel in yards ; maintenance and opera- maintenance, etc. tion of yards and equipment, including motor-propelled passenger- lap rB carrying vehicles for inspectors, purchase of equipment, rentals, and all other expenses requisite for and incident thereto, including ce reappro- personal services in the District of Columbia, the unexpended bal- vol. 45, p. 1137. ante of the appropriations heretofore made for these purposes is reappropriated and made available for such purposes for the fiscal ye ar 1931, and for payment of oblig ations f or such purposes of prior years, and of such sum not exceeding $500 shall be available to settle cl aims Pr ovis os for damages caused to private property by motor vehicles . Sales cr edi ted to used in delivering fuel : Provided, That all moneys received from the appropriation. sales of fuel shall be credited to this appropriation and be available "F uel' to inc lude for the purposes of this paragraph : Provided further, That the term fuel oil . ~t fuel " wherever used in this appropriation shall be understood to In spec tio n require- include fuel oil : Provided further , That the requirements of sec- , laws not appli- ca ble tions 3711 and 3713 of the Revised Statutes (U . S . C ., title 40, see . R.S ., sees . 3711, 3713, 109) relative to the weighing of coal and wood and the separate 'NJ, Sc, p. 1206. certificate as to the weight, measurement, or quantity of coal and wood p urchased shall not apply to pu rchases by the Government fuel yards at free-on-board destinations outside of the District of Co lumbia. Helium production, Helium production and investigations : The sums made available Advances fo r, fr om for the fiscal year 1931 in the Acts making appropriations for the Army and Navy ap- War and Navy Departments for the acquisition of helium from the prvpol .44 p s •1387. Bureau of Mines shall be advanced from time to time upon requisi- Post, pp. 444, 572. tion by the Secretary of Commerce in such amounts as may be deter- mined by the President not in excess of the sums needed for the ec onomi cal and e ffici ent opera tion and maint enanc e of the plant s for the production of helium for military and/or naval purposes, including purchase, not to exceed $2,500, and exchange as part pay- ment for, maintenance, operation, and repair of motor-propelled Services in the Dis- passenger-carrying vehicles, and including not to exceed $13,460 for trict. personal services in the District of Columbia ; Investigations, etc ., For investigations of resources of helium-bearing gas and the of r esource s of hel ium- bearing gas. co nserv atio n the reof, and of p roces ses and m ethod s of prod ucing , storing, purifying, and utilizing helium and helium-bearing gas including supplies and equipment, stationery, furniture, expenses of travel and subsistence, purchase, not exceeding $1,200, exchange as part payment for, maintenance, and operation of motor-propelled passenger-carrying vehicles, purchase of laboratory gloves, goggles, Services in the Dis- rubber boots and aprons, and all other necessary expenses, including trict. not to exceed $25,080 for personal services in the District of Columbia, $75,000 ;

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