
Description:
The Contractor Employment Production (Yearly) data set provides annual data on employment and coal production reported by mine contractors. The figures are aggregated and reported at the national level. The data is organized by subunit, which identifies the specific part of the mining operation.
Links:
Date Range:
January 1, 2000, to present
What’s in the Data Set:
A subunit describes where or how the mining activity takes place. Each subunit is assigned a code:
- 01 – Underground mining
- 02 – Surface operations at an underground mine
- 03 – Strip mine, quarry, or open pit
- 04 – Auger mining (Coal Mine Only)
- 05 – Culm bank or refuse pile (Coal Mine Only)
- 06 – Dredge operations
- 12 – Other surface mining (Metal/Nonmetal Only)
- 17 – Independent shops or yards
- 30 – Mill operations or preparation plants
- 99 – Office workers at the mine site
Total employee hours worked during the year, annual coal production in tons, and an indicator specifying whether the data pertains to a coal or metal/non-metal mine.
- ANNUAL_HOURS
- ANNUAL_COAL_PRODUCTION
- AVG_EMPLOYEE_CNT
- AVG_EMPLOYEE_HOURS
- COAL_METAL_IND
Notes:
- Contractor data is reported only at the national level. It cannot be broken down by individual mines, states, or other regional categories.
- The data set is collected from the Quarterly Mine Employment and Coal Production Reports (MSHA Form 7000-2).
- It includes only mines that have at least one employee working on average each quarter.
Tools & Resources
Contact
For questions, please contact the MSHA Data Group.





