Labels:book | reckoner | sky | tree OCR: Petitioner relies (Br 21.24) on the Mine Safety Act's legislative history as evincing an intent to permit district court jurisdiction oyer disputes arising under the Act. The legisiative history. however. demonstrates just the oppositc The was passed te centralize considera tion of all cnforcement disputes arising under Commission, and uivested the district courts jurisdiction over such disputes that they had previously had Under the Mine Safety Act's predecessor statute the Federal Coal Mine Health and Safety Act of 1969 Pub L No. 91.173 Stat 742 (Coal Act ] (formerly codi- pay 801 (1976) mine operators had the right directly contest civil penalty assessments n district courts See Pub. NO 73 109 {a}{4} Stat 810 1976)) those actions the district courts reviewed "de novo relevant issucs. wi ...