IN BITUMINOUS COAL HEARINGS BEFORE A SUBCOMMITTEE OF THE COMMITTEE ON INTERSTATE COMMERCE Congre SEVENTY-FIFTH CONGRESS FIRST SESSION ON S. 1 A BILL TO REGULATE INTERSTATE COMMERCE OTHER PURPOSES 134705 MARCH 1, 2, 8, AND 15, 1937 Printed for the use of the Committee on Interstate Commerce UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON: 1937 Cary 2 |