338 U.S. 621 338 U.S. 621 70 S.Ct. 392 94 L.Ed. 393 CHAPMAN, Department of Interior,v.SHERIDAN-WYOMING COAL CO., Inc. No. 60. Argued Jan. 9, 1950. Decided Feb. 6, 1950. Mr. Roger P. Marquis, Washington, D.C., for petitioner. Mr. T. Peter Ansberry, Washington, D.C., for respondent. Mr. Justice JACKSON delivered the opinion of the Court. 1 […]