Chapter 456.

authorizing the Oregon-Washington Bridge Board of Trustees to construct, maintain, and operate a toll bridge across the Columbia River at Astoria, Clatsop County, Oregon”, approved June 13, 1934, as Bond issue authorized.amended, is amended to read as follows: “Said board of trustees is hereby grant

to extend the gasoline tax for one year, to modify postage rates on mail matter, and for other purposes”, approved June 16, 1933, are further amended by striking out “1939” wherever appearing therein and inserting in lieu thereof “1941”. 53 Stat. 863 SEC. 2

for making further and more effectual provisions for the national defense, and for other purposes”, approved June 3, 1916, be amended by providing that on and after July 1, 1987, there shall be officers as now authorized by law, except that there shall be four assistants to the Surgeon General with

to regulate interstate and foreign commerce in petroleum and its products by prohibiting the shipment in such commerce of petroleum and its products produced in violation of State law, and for other purposes”, approved February 22, 1935, as amended by the Act approved June 14, 1937 (50 Stat. 257), i