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74TH CONGRESS . SESS . I. CFI. 101. MAY 9, 1935. work in connection with this appropriation may be expended in the sa me man ner as sums a ppropri ated h erein may be expend ed : Pr o- vi ded fu rth er, That any funds herein a ppropriated fo r the Geologi- Cooperative work . cal Survey for cooperative work may be utilized prior to July 1, 1935, as required to en able the Geolo gical Survey to continue its cooperative work pending reimbursement from cooperative agencies, the amount so utilized to be repaid to the appropriation from which advanced ; for tore eo tographs During the fiscal year 1936, upon the request of the Secretary of t he Interior, th e Secretary of War or the Sec retary of the N avy is authorized to furnish aerial photographs required for mapping projects, insofar as the furnishing of such photographs will be eco- nomi cal to the Fede ral Government and does not c onflict with mi li- tary or naval operations or the other parts of the regular training Rei mbursement . program of the Army, Navy, and Marine Corps flying services, and the Secretary of the Interior is authorized to reimburse the War or Navy Department for the cost of making the photographs, such cost to be co nfined to the actua l cost of ga soline, oil, film, paper, chemi- cals , and the labor performed in d eveloping the photographic ne ga- tives and the printing of copies of photographs, and the per diem expenses of the personnel authorized by law, together with such incidental expenses as care and minor repairs to plane and trans- portation of personnel to and from projects, and the War Depart- ment or the Navy Department, on request of the Department of the Inte rior, is author ized to furnish copies to any State, county, or municipal agency cooperating with the Federal Government in the Contracts with civil- ma pping project for w hich th e phot ograph s were taken . In th e ians . event that the Director of the Geological Survey deems it advan- tageous to the Government, the Geological Survey is authorized to contract with civilian aerial photographic concerns for the furnish- ing of such photographs ; Transporting effects Appropriations herein made shall be available for payment of of employees . the costs of pa cking, crating, and transporta tion (includin g dray- age) of personal effects of employees upon permanent change of sta- tion, under regulations to be prescribed by the Secretary of the Interior ; Total, United States Geological Survey, $2,285,560 . Bure au of Mines . Salariesandexpenses . Ante, p . 178 . Mine rescue cars and stations . Investigations . Preventing acci » dents . BUREAU OF MIN ES SALARIES AND GENERAL EXPENSES Salaries and general expenses : For general expenses, including pay of the director and necessary assistants, clerks, and other employe es, in the o ffice of the Distri ct of Columb ia, and in th e fiel d, and every other expense requisite for and incident to the general work of the Bureau in the District of Columbia, and in the field ? to be expended under the direction of the Secretary of the Interior $62,190, of which amount not to exceed $51,890 may be expended for personal services in the District of Columbia . Operating mine rescue cars and stations and investigation of mine accidents : For the investigation and improvement of mine rescue and first-aid methods and appliances and the teaching of mine safety, rescue, and first-aid methods ; investigations as to the causes of mine explosions, causes of falls of roof and coal, methods of mining, especially in relation to the safety of miners, the appli- ances bes t ad apte d to pre vent acc iden ts, the poss ible imp rove ment of conditions under which mining operations are carried on, the use of explosives and electricity, the prevention of -accidents, statistical studies and reports relating to mine accidents, and other inquiries
