304 U.S. 197 304 U.S. 197 58 S.Ct. 832 82 L.Ed. 1287 ARKANSAS FUEL OIL CO.v.STATE OF LOUISIANA ex rel. MUSLOW. No. 760. Argued April 7, 1938. Decided May 2, 1938. Messrs. Robert Roberts, Jr., and H. C. Walker, Jr., both of Shreveport, La., for appellant. Mr. John B. Files, of Shreveport, La., for appellee. […]