“ The Attorney General, however, does not concede that the State of Oklahoma 'does not furnish an adequate judicial review of questions such as are involved in this proposed appeal.' On the contrary, 'the State asserts that appellant has, and has had, an adequate method of relief.' When pressed upon the argument at bar to state what judicial remedy was open to appellant under the State Constitution, the Attorney General referred to the power conferred upon the Supreme Court by the proviso in section 20 of article 9 to issue writs of mandamus and prohibition to the Commission. ”

“ Neither party before us advances a contention that there is such a lack of judicial remedy. Appellant says that judicial review is available through the procedure appellant has chosen and that the denial of its petition for rehearing was judicial action. ”

“ Johnson v. Risk, 137 U.S. 300, 306, 307, 11 S.Ct. 111, 34 L.Ed. 683; Wood Mowing & Reaping Machine Co. v. Skinner, 139 U.S. 293, 295, 297, 11 S.Ct. 528, 35 L.Ed. 193; Whitney v. California, 274 U.S. 357, 360, 361, 47 S.Ct. ”