PUBLIC LAWS-CH. 280 -JUNE 29. 1949 49 Stat. 866 . 52 Stat. 347 . 52 Stat. 699. 52 Stat. 1205. 54 Stat. 299. 54 Stat. 297. 54 Stat. 402 . 49 Stat. 1570 . 33U.S.C.§§701a- 701h. Yazoo and Little Tallahatchie water- sheds. of the following Acts authorizing annual appropriations of forest receipts for such purposes, and in not to exceed the following amounts from such receipts: Uinta and Wasatch National Forests, Utah, Act of August 26, 1935 (Public Law 337), as amended, $40,000; Cache National Forest, Utah, Act of May 11, 1938 (Public Law 505), as amended, $10,000; San Bernardino and Cleveland National Forests, Riverside County, California, Act of June 15, 1938 (Public Law 634), as amended, $22,000; Nevada and Toiyabe National Forests, Nevada, Act of June 25, 1938 (Public Law 748), as amended, $10,000; Angeles National Forest, California, Act of June 11, 1940 (Public Law 591), $20,000; Cleveland National Forest, San Diego County, California, Act of June 11, 1940 (Public Law 589), $5,000; Sequoia National Forest, California, Act of June 17, 1940 (Public Law 637), $35,000; in all $142,000. FLOOD CONTROL Flood control: For expenses necessary, in accordance with the Flood Control Act, approved June 22, 1936 (Public Law 738, Seventy-fourth Congress; 33 U. S . C. 701a), as amended and supplemented, to make preliminary examinations and surveys, and to perform works of improvements, $9,500,000, including not to exceed $161,500 for per- sonal services in the District of Columbia, to be immediately available and to remain available until expended, with which shall be merged the unexpended balances of funds heretofore appropriated or trans- ferred to the Department for flood-control purposes: Provided, That no part of such funds shall be used for the purchase of lands in the Yazoo and Little Tallahatchie watersheds without specific approval of the county board of supervisors of the county in which such lands are situated, nor shall any part of such funds be used for the purchase of lands in the counties of Adair, Cherokee, and Sequoyah, in the State of Oklahoma, without the specific approval of the Board of County Commissioners of the county in which such lands are situated: Pro- vided further, That the Secretary is hereby empowered to substitute other suitable measures and procedures in the Little Tallahatchie and Yazoo River watersheds in lieu of acquisition of land in those water- sheds as originally contemplated. SOIL CONSERVATION SERVICE For expenses necessary to carry out the provisions of the Act 4 Stat. fi. approved April 27, 1935 (16 U. S. C. 590a-590f) which provides for a national program of erosion control and soil and water conservation, including not to exceed $983,000 for personal services in the District of Columbia, furnishing of subsistence to employees, operation and maintenance of aircraft, and the purchase and erection or alteration ' ostof buildings. of permanent buildings: Provided, That the cost of any building purchased, erected, or as improved, exclusive of the cost of construct- ing a water supply or sanitary system and connecting the same with any such building, shall not exceed $2,500 except where buildings are acquired in conjunction with land being purchased for other purposes and except for eight buildings to be constructed at a cost not to exceed Restriction. $15,000 per building: Provided further. That no money appropriated in this Act shall be available for the construction of any such building Central State agen- on land not owned by the Government: Provided.further, That in the State of Missouri where the State has established a central State agency authorized to enter into agreements with the United States or any of its agencies on policies and general programs for the saving of its soil by the extension of Federal aid to any soil conservation district in such State, the agreements made by or on behalf of the United States with any such soil conservation district shall have the prior approval of 340 [63 STAT.