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Federal
MSHA Operator Employment and Production Data Set - Quarterly
Department of Labor —
Contains employment and coal production reported by mine operators for each quarter in a calendar year, by subunit and mine ID. The subunit code identifies the... -
Federal
MSHA Operator Employment and Production Dataset - Yearly
Department of Labor —
Contains the annual summation of employee hours and coal production reported by mine operators where the average quarterly employment is greater than zero with...