PUBLIC LAWS-CH. 414 -JULY 31, 1947 Liquidation of obl- gations. Revolving fund, War Shipping Ad- ministration. Ante, p. 427. Ante, p. 534 . Research labora- tory, Quincy, Fla. Ante, p. 540. Ante, p. 618 . Ante, p. 618. to liquidate such obligations as may be found by the General Account- ing Office as having been properly incurred against such funds prior to January 1, 1947: Provided, That the appropriation herein for liquidation of obligations shall be available only until March 31, 1948: Provided further, That moneys received by agent operators of the Maritime Commission on account of operations prior to September 1, 1946, under the War Shipping Administration revolving fund may be applied against necessary expenses of such agent operators in con- nection with liquidation of obligations incurred under such fund prior to January 1, 1947: Provided further, That hereafter all moneys accruing to the Maritime Commission from operations under the War Shipping Administration revolving fund prior to September 1, 1946 (including moneys received from agent operators after deduction of necessary expenses of such agent operators), shall be covered into the Treasury as miscellaneous receipts. DISTRICT OF COLUMBIA REGULATORY AGENCIES Office of Recorder of Deeds: For an additional amount for the "Office of the Recorder of Deeds", $12,000, to be available for salaries and expenses of the Auto Lien Division. DEPARTMENT OF AGRICULTURE AGRICULTURA RESEARCH ADMINISTRATION BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE SALARIES AND EXPENSES Insect investigations: For an additional amount for "Insect investi- gations", including the same objects specified under this head in the Department of Agriculture Appropriation Act, 1948, $5,000: Pro- vided, That this additional amount shall be used for the maintenance and operation of a research laboratory at Quincy, Florida, for the study of insects and fungi affecting cigar-wrapper tobacco. FIOOD CONTROL Flood control: For an additional amount for "Flood control" $2,000,000, to remain available until expended, to be available for preliminary examinations and surveys (in an amount not exceeding $100,000) and works of improvement in the watershed of the Missis- sippi River and its tributaries. DEPARTMENT OF COMMERCE OFFICE OF THE SECRETARY Materials distribution and liquidation of Office of Temporary Con- trols: For an additional amount for "Materials distribution and liquidation of Office of Temporary Controls", $300,000, and the total amount appropriated under this head shall be available for carrying out the purposes specified under this head in the Supplemental Appro- priation Act, 1948, and for necessary expenses of carrying out the purposes of H. R. 1602, Eightieth Congress, if said bill is enacted into law: Provided,That the amounts specified in the Supplemental Appro- priation Act, 1948, for transfer from the appropriation under this head to the appropriations of the Department of Commerce for "Salaries and expenses, Bureau of Foreign and Domestic Commerce" and "Printing and binding, Department of Commerce", are hereby 698 [61 STAT.