PUBLIC LAWS-C. 54 --JUNE 19, 1948 58 Stat. 736. 61 Stat. 177. 16 U.s. C., Supp. I, Ii M94-1 -694- . 54 Stat. 168 . Availability of funds for designated agencies 58 Stat. 735. Local requirements. Removal and de- struction of trees. 68 tat. 742 . 00 Btat. 810. Experiments and in- vestigations. o atobut di. including personal services in the District of Columbia and the purchase (not to exceed two) and operation and maintenance of airplanes, as follows: Gypsy and brown-tail moths: Gypsy and brown-tail moths, pur- suant to section 102 of the Act of September 21, 1944 (7 U. S. C. 147a), $603,600. Forest Pest Control Act: Forest Pest Control Act (Public Law 110, approved June 25,1947), $135,000. White pine blister rust: White pine blister rust, pursuant to the Act of April 26, 1940 (16 U. S . C. 594a), $3,750,000, of which amount $582,000 shall be available to the Department of the Interior for the control of white pine blister rust on or endangering Federal lands under the jurisdiction of that Department or lands of Indian tribes which are under the jurisdiction of or retained under restrictions of the United States; $1,974,650 of said amount to the Forest Service for the control of white pine blister rust on or endangering lands under its jurisdiction; and $1,193,350 of said amount to the Bureau of Entomology and Plant Quarantine for leadership and general coordi- nation of the entire program, method development and for opera- tions conducted under its direction for such control, including, but not confined to, the control of white pine blister rust on or endan- gering State and privately owned lands. Dutch elm disease: Dutch elm disease, pursuant to section 102 of the Act of September 21, 1944 (7 U. S . C. 147a), $51,800: Provided, That in the discretion of the Secretary, no expenditures from this appropriation shall be made for applying methods of control of the Dutch elm disease in any State where measures for the removal and destruction of trees on non-Federal lands suffering from the Dutch elm disease are not in force, provided such removal and destruction are deemed essential or appropriate for the carrying on of the control program, nor until a sum or sums at least equal to such expenditures shall have been appropriated, subscribed, or contributed by State, county, or local authorities, or by individuals, or by organizations con- cerned: Provided, however, That expenditures incurred for removal of trees infected with Dutch elm disease from non-Federal lands shall not be considered a part of such appropriations, subscriptions, or con- tributions: Providedfurther, That no part of this appropriation shall be expended for the removal and destruction of trees infected with the Dutch elm disease except where such trees are located on property owned or controlled by the Government of the United States, or on property included within local experimental control areas. FOREST SERVICE SALARIES AND EXPENSES For expenses necessary, including not to exceed $1,097,582 for per- sonal services in the District of Columbia, not to exceed $10,000 for employment pursuant to the second sentence of section 706 (a) of the Organic Act of 1944 (5 U. S . C. 574), as amended by section 15 of the Act of August 2, 1946 (5 U. S . C . 55a); to experiment and make investigations and report on forestry, national forests, forest fires, and lumbering, but no part of this appropriation shall be used for any experiment or test made outside the jurisdiction of the United States; to advise the owners of woodlands as to the proper care of the same; to investigate and test American timber and timber trees and their uses, and methods for the preservative treatment of timber; to seek, through investigations and the planting of native and foreign species, suitable trees for the treeless regions to erect necessary buildings: Provided, That the cost of any building purchased, erected, or as 520 [62 STAT.
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