Powhatan Mining Company. No. 8826, in circuit court of appeals for 6th circuit. Powhatan Mining Company, and Ohio & Pennsylvania Coal Company v. Harold L. Ickes, Secretary of Interior. Bituminous Coal Division of Department of Interior, and H. A. Gray, director thereof, Bituminous Coal Producers Board for districts nos. 2, 3, 4, and 8, interveners, on petition to review order of Bituminous Coal Division of Department of Interior; brief for respondents.