63 STAT.] 81sr CONG., l1 T SESS.-CH. 680 -OCT. 12, 1949 elude the use in any part of the States of the Colorado River Basin of funds appropriated for general investigations: Providedfurther,That no part of this appropriation shall be available for the preparation of any comprehensive plan or project report the construction estimates for which are not based upon current construction prices and costs. No part of any appropriation for the Bureau of Reclamation, con- tained in this or any prior Act, which represents amounts earned under the terms of a contract but remaining unpaid, shall be obligated for any other purpose, regardless of when such amounts are to be paid: Provided, That the incurring of any obligation prohibited by this paragraph shall be deemed a violation of section 665 of title 31 of the United States Code. Not exceeding 12 per centum of the construction appropriation for the Bureau of Reclamation for any project contained in this Act shall be available for construction work by force account and on a hired- labor basis; except that not to exceed $225,000 may on approval of the Commissioner be expended for construction work by force account on any one project when the work is unsuitable for contract or when excessive bids are received; and except in cases of emergencies local in character, so declared by the Commissioner. The Departments of Air Force, Army, and Navy, the Civil Aero- nautics Administration and the War Assets Administration are authorized during the fiscal year 1950 to transfer to the Bureau of Reclamation aircraft engines, parts, accessories, and other aircraft equipment, materials and supplies, surplus to the needs of such agencies, as may be required by said Bureau of Reclamation, such transfers to be without charge therefor. GEOLOGICAL SURVEY For salaries and expenses necessary for the Geological Survey, including personal services in the District of Columbia; purchase (not to exceed one hundred and thirty-eight, of which ninety-three shall be for replacement only) and hire of passenger motor vehicles and the maintenance and operation of aircraft; exchange of unserviceable passenger and freight vehicles as part payment for new freight vehicles; and printing and binding and the purchase of reprints; as follows: Salaries and expenses: For personal services in the District of Columbia, and other expenses, $343,000; Topographic surveys: For topographic surveys in the United States, Alaska, the Virgin Islands, and Puerto Rico, $5,750,000, of which not to exceed $658,333 may be expended for personal services in the Dis- trict of Columbia: Provided,That no part of this appropriation shall be expended in cooperation with States or municipalities except upon the basis of the State or municipality bearing all of the expense incident thereto in excess of such an amount as is necessary for the Geological Survey to perform its share of standard topographic surveys, such share of the Geological Survey in no case exceeding 50 per centum of the cost of the survey: Provided further,That $700,000 of this amount shall be available only for such cooperation with States or municipalities; Geologic surveys: For geologic surveys in the United States and chemical and physical researches relative thereto, including the print- ing of geologic reports, $3,500,000, of which not to exceed $850,000 may be expended for personal services in the District of Columbia; Mineral resources of Alaska: For investigation of the mineral resources of Alaska, $500,000, of which not to exceed $97,500 may be expended for personal services in the District of Columbia; 81939 -50-PT. I- - -50 785 Restriction on cer- tain obligations. Construction work by force account, etc. Transfer of surplus aircraft engines, etc. Cooperation with States, etc. Amount available.
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