by the United States government

“ The Director of the United States Bureau of Mines shall prepare and publish, subject to the direction of the Secretary of the Interior, under the appropriations made from time to time by Congress, reports of inquiries and investigations, with appropriate recommendations of the bureau, concerning the nature, causes, and prevention of accidents, and the improvement of conditions, methods, and equipment, with special reference to health, safety, and prevention of waste in the mining, quarrying, metallurgical, and other mineral industries ”

“ Nothing herein shall be construed as preventing the temporary employment by the United States Bureau of Mines, at a compensation not to exceed $10 per day, in a consulting capacity or in the investigation of special subjects, of any engineer or other expert whose principal professional practice is outside of such employment by said bureau. ”

“ AUTHORIZATION OF APPROPRIATIONS Section 5 of act Dec. 18, 1942, provided that: "In order to carry out the purposes of this Act [sections 13 to 16 of this title] there is authorized to be appropriated, out of any money in the Treasury not otherwise appropriated, the sum of (a) $450,000 for the erection and equipment of a building or buildings, including plumbing, lighting, heating, general service, and experimental equipment and apparatus, the necessary roads, walks, and ground improvement, and land for the site of the building if no land is donated ”