PUBLIC LAWS-CH. 529-JULY 1, 1946 Property damages. Rewards. Restriction. " Reclamation fund." 32 Stat. 388. Post, p. 867. 68 Stat. 487. Specific projects. Informational work. hire, maintenance, and operation of aircraft with funds provided for "General investigations" and the "Missouri River Basin", and all sums appropriated in this Act to such Bureau shall be available for such hire, maintenance, and operation to meet unforeseen emergencies due to fire, flood, or storm; contract stenographic reporting service; payment of damages caused to the owners of lands or other private property of any kind by reason of the operations of the United States, its officers or employees, in the survey, construction, operation, or maintenance of irrigation works; payment for official telephone service in the field here- after incurred in case of official telephones installed in private houses when authorized under regulations established by the Secretary; pay- ment of rewards, when specifically authorized by the Secretary, for information leading to the apprehension and conviction of persons found guilty of the theft damage, or destruction of public property: Provided,That no part of any sum provided for in this Act for opera- tion and maintenance of any project or division of a project by the Bureau of Reclamation shall be used for the irrigation of any lands within the boundaries of an irrigation district which has contracted with the Bureau of Reclamation and is in arrears for more than twelve months in the payment of any charges due the United States, and no part of any sum provided for in this Act for such purpose shall be used for the irrigation of any lands which have contracted with the Bureau of Reclamation and are in arrears for more than twelve months in the payment of any charges due from said lands to the United States. The following sums are appropriated out of the special fund in the Treasury of the United States created by the Act of June 17, 1902 (43 U. S . C . 391, 411), and therein designated "the reclamation fund", to be available immediately: GENERAL OFFICES Salaries and expenses (other than project offices): For expenses necessary during the fiscal year 1947, including personal services in the District of Columbia, in the administration and performance by other than project offices of Bureau of Reclamation functions, $4,000,000, to be available for the purposes, among others, specified under the head "Operation and maintenance administration", Bureau of Reclamation, in the Department of the Interior Appropriation Act, 1945, and reimbursable as to expenditures for operation and maintenance administration to the same extent as is provided under said head: Provided,That in addition to the foregoing amount there shall be available for expenditure under this appropriation any sums transferred thereto for work performed or to be performed for the benefit of specific projects or undertakings for which other funds or appropriations are available: Provided further, That not exceeding $150,000 of funds available for expenditure under this appropriation shall be used for salaries and expenses in connection with informa- tional work; GENERAL INVESTIGATIONS General investigations: For engineering and economic investigations of proposed Federal reclamation projects and surveys, investigations, and other activities relating to reconstruction, rehabilitation, exten- sions, or financial adjustments of existing projects, and studies of water conservation and development plans, such investigations, surveys, and studies to be carried on by said Bureau either independently, or in cooperation with State agencies and other Federal agencies, including the Corps of Engineers, and the Federal Power Commission, $5,000,000, to remain available until expended and which may be used to execute detailed surveys, and to prepare construction plans and 364 [60 STAT.