Search U.S. government technical reports digitized or harvested by TRAIL.
Coal-mine fires and gas and/or dust ignitions since enactment of the 1952 Federal Coal Mine Safety Act
Administration of the Federal Coal-Mine Safety Act, 1952-59
Administration of the Federal Coal-Mine Safety Act, 1952-60
Administration of the Federal Coal-Mine Safety Act, 1952-61
Administration of the Federal Coal-Mine Safety Act, 1952-62