1930 (46 Stat. 67), and for cooperation with States in the compensation of growers for losses resulting from the destruction of or for not planting potatoes and tomatoes on lands infested or exposed to infestations of the golden nematode for the purpose authorized by the Golden Nematode Act (Public Law 645, approved June 15, 1948), and for the enforcement of domestic plant quarantines through inspection in transit, including the interception and disposition of materials found to have been transported interstate in violation of Federal plant quarantine laws or regulations, and operations under the Terminal Inspection Act (7 U. S. C. 166), $4,450,000: Provided, That no part of this appropriation shall be used to pay the cost or value of trees, farm animals, farm crops, or other property injured or destroyed, except potatoes and tomatoes as authorized under the Golden Nematode Act: Provided further, That, in the discretion of the Secretary, no part of this appropriation shall be expended for the control of sweetpotato weevil in any State until such State has provided cooperation necessary to accomplish this purpose, or for barberry eradication until a sum or sums at least equal to such expenditures shall have been appropriated, subscribed, or contributed by States, counties, or local authorities, or by individuals or organizations for the accomplishment of this purpose, or with respect to the golden nematode except as prescribed in section 4 of the Golden Nematode Act.

Foreign plant quarantines: For operations against the introduction of insect pests or plant diseases into the United States, including the enforcement of foreign-plant quarantines and regulations promulgated under sections 5 and 7 of the Plant Quarantine Act of August 20, 1912, as amended (7 U. S. C. 151-167), the Insect Pest Act of 1905 (7 U. S. C. 141-144), and the Mexican Border Act of 1942 (7 U. S. C. 149), for enforcement of domestic-plant quarantines as they pertain to Territories of the United States and enforcement of regulations governing the movement of plants into and from the District of Columbia promulgated under section 15 of the Plant Quarantine Act of August 20, 1912, as amended, and for inspection and certification of plants and plant products to meet the sanitary requirements of foreign countries, as authorized in section 102 of the Organic Act of 1944 (7 U. S. C. 147a), $2,354,700.

(2) Control of emergency outbreaks of insects and plant diseases. -For expenses necessary to carry out the provisions of the joint resolution approved May 9, 1938 (7 U. S. C. 148-148e), including the operation and maintenance of airplanes and the purchase of not to exceed two, and surveys and control operations in Canada in cooperation with the Canadian Government or local Canadian authorities, and the employment of Canadian citizens, $2,100,000, of which $1,250,000 shall be apportioned for use pursuant to section 3679 of the Revised Statutes for the purposes of said joint resolution only to the extent that the Secretary, with the approval of the Bureau of the Budget, finds necessary to meet emergency conditions.

(3) Control of forest pests.-For expenses necessary for carrying out operations, measures, or surveys necessary to eradicate, suppress, control, or to prevent or retard the spread of insects or diseases which endanger forest trees on any lands in the United States, and for such quarantine measures relating thereto as may be necessary pursuant to the Plant Quarantine Act of August 20, 1912, as amended (7 U. S.

C. 151-167), including the purchase (not to exceed three) and operation and maintenance of airplanes, construction and alteration of necessary buildings, not to exceed $23,500 for the purchase of one building at Greenfield, Massachusetts: Provided, That the cost of constructing or altering any one building during the fiscal year shall not exceed $2,500, as follows:

Gypsy and brown-tail moths: Gypsy and brown-tail moths, pursuant to section 102 of the Act of September 21, 1944 (7 U. S. C. 147a), $560,000.

Forest Pest Control Act: For carrying out the provisions of the Act approved June 25, 1947 (16 U. S. C., Supp. I, 594-1-594-5), $1,650,000, of which $750,000 shall be apportioned for use pursuant to section 3679 of the Revised Statutes for the purposes of said Act only to the extent that the Secretary, with the approval of the Bureau of the Budget, finds necessary to meet emergency conditions.

White pine blister rust: White pine blister rust, pursuant to the Act of April 26, 1940 (16 U. S. C. 594a), $3,490,000, of which amount $537,050 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; $1,837,475 of said amount to the Forest Service for the control of white pine blister rust on or endangering lands under its jurisdiction; and $1,115,475 of said amount to the Bureau of Entomology and Plant Quarantine for leadership and general coordination of the entire program, method development, and for operations conducted under its direction for such control, including, but not confined to, the control of white pine blister rust on or endangering State and privately owned lands.

$203. Forest service.-(a) Salaries and expenses.-For expenses necessary including 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 improved, exclusive of the cost (not to exceed $1,000) of constructing a watersupply or sanitary system and of connecting the same with any such building, and exclusive of the cost of any tower upon which a lookout house may be erected, shall not exceed $15,000, with the exception that any building erected, purchased, or acquired, the cost of which was $15,000 or more, may be improved out of the appropriations made under this chapter for the Forest Service by an amount not to exceed 2 per centum of the cost of such building as certified by the Chief of the Forest Service, and that not to exceed $8,000 may

be expended for the installation of an elevator in the Yeon Avenue warehouse in Portland, Oregon; to protect, administer, and improve the national forests, including tree planting and other measures to prevent erosion, drift, surface wash, soil waste, and the formation of floods, and to conserve water; to ascertain the natural conditions upon and utilize the national forests, to transport and care for fish and game supplied to stock the national forests or the waters therein; to collate, digest, report, and illustrate the results of experiments and investigations made by the Forest Service, as follows:

General administrative expenses: For general administration, including expenses of the National Forest Reservation Commission as authorized by section 14 of the Act of March 1, 1911 (16 U. S. C. 514), $665,000.

National forest protection and management: For the administration, protection, use, maintenance, improvement, and development of the national forests, including the establishment and maintenance of forest tree nurseries, including the procurement of tree seed and nursery stock by purchase, production, or otherwise, seeding and tree planting and the care of plantations and young growth; the operation and maintenance of aircraft and the purchase of not to exceed three; the maintenance of roads and trails and the construction and maintenance of all other improvements necessary for the proper and economical administration, protection, development, and use of the national forests, including experimental areas under Forest Service administration, except that where direct purchases will be more economical than construction, improvements may be purchased; the construction (not to exceed $15,000 for any one structure), equipment, and maintenance of sanitary and recreational facilities; timber cultural operations; development and application of fish and game management plans; propagation and transplanting of plants suitable for planting on semiarid portions of the national forests; estimating and appraising of timber and other resources and development and application of plans for their effective management, sale, and use; examination, classification, surveying, and appraisal of land incident to effecting exchanges authorized by law and of lands within the boundaries of the national forests that may be opened to homestead settlement and entry under the Act of June 11, 1906, and the Act of August 10, 1912 (16 U. S. C. 506-509), as provided by the Act of March 4, 1913 (16 U. S. C. 512); investigation and establishment of water rights, including the purchase thereof or of lands or interests in lands or rights-ofway for use and protection of water rights necessary or beneficial in connection with the administration and public use of the national forests; and all expenses necessary for the use, maintenance, improvement, protection, and general administration of the national forests, $27,100,000, of which not to exceed $75,000 shall be available for the purchase of three nursery sites, and not to exceed $5,000 shall be available for the purchase of administrative sites.

Cooperative range improvements: For artificial revegetation, construction, and maintenance of range improvements, control of rodents, and eradication of poisonous and noxious plants on national forest lands, pursuant to section 12 of the Act of April 24, 1950 (Public Law Numbered 478), $700,000, to remain available until expended.

Fighting forest fires: For fighting and preventing forest fires on or

threatening lands under Forest Service administration, including lands under contract for purchase or in process of condemnation for Forest Service purposes, and for liquidation of obligations incurred in the preceding fiscal year for such purpose, $6,000,000, of which $2,500,000 shall be apportioned for use, pursuant to section 3679 of the Revised Statutes, as amended, only to the extent that the Secretary, with the approval of the Bureau of the Budget, finds necessary to meet emergency conditions.

Forest research: For forest research in accordance with the provisions of sections 1, 2, 7, 8, 9, and 10 of the Act approved May 22, 1928, as amended (16 U. S. C. 581, 581a, 581f-581i), including the construction and maintenance of improvements, as follows:

Forest and range management investigations: Fire, silvicultural, watershed, and other forest investigations and experiments under said section 2, as amended, and investigations and experiments to develop improved methods of management of forest and other ranges under section 7, at forest or range experiment stations or elsewhere, $3,030,000, of which $41,000 shall be available for such investigations and experiments at Bartlett Experimental Forest only.

Forest products: Experiments, investigations, and tests of forest products under section 8, at the Forest Products Laboratory, or elsewhere, $1,300,000, of which $30,000 shall be made available for the establishment of a forest utilization service unit in the Southwest. Forest resources investigations: A comprehensive forest survey under section 9, and investigations in forest economics under section 10, $880,000.

(b) Forest development roads and trails.-For expenses necessary for carrying out the provisions of section 23 of the Federal Highway Act approved November 9, 1921, as amended (23 U. S. C. 23, 23a), relating to forest development roads and trails, including the construction, reconstruction, and maintenance of roads and trails on experimental areas under Forest Service administration, $10,348,000, which sum is authorized to be appropriated by the Act of June 29, 1948 (Public Law 834), to remain available until expended: Provided, That this appropriation shall be available for the rental, purchase, construction, or alteration of buildings necessary for the storage and repair of equipment and supplies used for road and trail construction and maintenance, but the total cost of any such building purchased, altered, or constructed under this authorization shall not exceed $15,000 with the exception that any building erected, purchased, or acquired, the cost of which was $15,000 or more, may be improved within any fiscal year by an amount not to exceed 2 per centum of the cost of such buildings certified by the Chief of the Forest Service.

(c) Acquisition of lands for national forests.-Weeks Act: For the acquisition of forest lands under the provisions of the Act approved March 1, 1911, as amended (16 U. S. C. 513-519, 521), $300,000, to be available only for payment toward the purchase price of any lands acquired, including the cost of surveys in connection with such acquisition: Provided, That no part of such funds shall 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.

Superior National Forest: For the acquisition of forest land within the Superior National Forest, Minnesota, under the provisions of the Act approved June 22, 1948 (Public Law 733), $150,000, to remain available until expended.

Special Acts: For the acquisition of land to facilitate the control of soil erosion and flood damage originating within the exterior boundaries of the following national forests, in accordance with the provisions 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.

(d) Forest-fire cooperation. For cooperation with the various States or other appropriate agencies in forest-fire prevention and suppression and the protection of timbered and cut-over lands in accordance with the provisions of sections 1, 2, and 3 of the Act approved June 7, 1924, as amended (16 U. S. C. 564-566), $9,500,000. (e) Farm and other private forestry cooperation.-To enable the Secretary through the Forest Service to advise timberland owners and associations, wood-using industries or other appropriate agencies in the application of forest management principles to federally owned lands leased to States and to private forest lands, so as to attain sustained-yield management, the conservation of the timber resources, the productivity of forest lands, and the stabilization of employment and economic continuance of forest industries, and to carry into effect, through such agencies of the Department as he may designate, the provisions of the Cooperative Farm Forestry Act, approved May 18, 1937 (16 U. S. C. 568b), (not to exceed $785,034) and the provisions of sections 4 (not to exceed $449,200) and 5 (not to exceed $65,766) of the Act approved June 7, 1924 (16 U. S. C. 567-568), and Acts supplementary thereto; $1,300,000.

§ 204. Flood control.-For expenses necessary, in accordance with the Flood Control Act, approved June 22, 1936 (Public Law 738), as amended and supplemented, to make preliminary examinations and surveys, and to perform works of improvement, and to plan the agricultural phases of the development of the Columbia Basin area in accordance with the provisions of laws relating to the activities of the Department, to remain available until expended, $10,315,000, with which shall be merged the unexpended balances of funds heretofore appropriated or transferred to the Department for floodcontrol 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