118 STAT. 2824 PUBLIC LAW 108–447—DEC. 8, 2004 therein for use in the plant materials program by donation, exchange, or purchase at a nominal cost not to exceed $100 pursuant to the Act of August 3, 1956 (7 U.S.C. 428a); purchase and erection or alteration or improvement of permanent and temporary buildings; and operation and maintenance of aircraft, $837,360,000, to remain available until June 30, 2006, of which not less than $10,500,000 is for snow survey and water forecasting, and not less than $14,433,000 is for operation and establishment of the plant materials centers, and of which not less than $23,500,000 shall be for the grazing lands conservation initiative: Provided, That appropriations hereunder shall be available pursuant to 7 U.S.C. 2250 for construction and improvement of buildings and public improvements at plant materials centers, except that the cost of alterations and improvements to other buildings and other public improvements shall not exceed $250,000: Provided further, That when buildings or other structures are erected on non Federal land, that the right to use such land is obtained as provided in 7 U.S.C. 2250a: Provided further, That this appropriation shall be available for technical assistance and related expenses to carry out programs authorized by section 202(c) of title II of the Colorado River Basin Salinity Control Act of 1974 (43 U.S.C. 1592(c)): Pro vided further, That qualified local engineers may be temporarily employed at per diem rates to perform the technical planning work of the Service: Provided further, That none of the funds made available under this paragraph by this or any other appropria tions Act may be used to provide technical assistance with respect to programs listed in section 1241(a) of the Food Security Act of 1985 (16 U.S.C. 3841(a)). WATERSHED SURVEYS AND PLANNING For necessary expenses to conduct research, investigation, and surveys of watersheds of rivers and other waterways, and for small watershed investigations and planning, in accordance with the Watershed Protection and Flood Prevention Act (16 U.S.C. 1001– 1009), $7,083,000: Provided, That none of the funds made available under this paragraph by this or any other appropriations Act may be used to provide technical assistance with respect to programs listed in section 1241(a) of the Food Security Act of 1985 (16 U.S.C. 3841(a)). WATERSHED AND FLOOD PREVENTION OPERATIONS For necessary expenses to carry out preventive measures, including but not limited to research, engineering operations, methods of cultivation, the growing of vegetation, rehabilitation of existing works and changes in use of land, in accordance with the Watershed Protection and Flood Prevention Act (16 U.S.C. 1001–1005 and 1007–1009), the provisions of the Act of April 27, 1935 (16 U.S.C. 590a–f), and in accordance with the provisions of laws relating to the activities of the Department, $75,576,000, to remain available until expended; of which up to $10,000,000 may be available for the watersheds authorized under the Flood Control Act (33 U.S.C. 701 and 16 U.S.C. 1006a): Provided, That not to exceed $35,000,000 of this appropriation shall be available for technical assistance: Provided further, That not to exceed $1,000,000 of this appropriation is available to carry out the pur poses of the Endangered Species Act of 1973 (Public Law 93–
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