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#1 Federal
MSHA Controller and Operator History
- Organization: Department of Labor
- Dataset Last Updated: March 12, 2026 at 01:02 PM
Shows the history of controllers at mining operations and the associations to the operators at those mines. Included are the starting and ending dates for a controller at each mine and the...
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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: April 17, 2026 at 06:07 AM

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MSHA Controller and Operator History