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    • MSHA Operator Employment and Production Data Set - Quarterly

    Metadata Updated: January 20, 2026

    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 location or operation of the mine relating to the: (01) Underground; (02) Surface at underground; (03) Strip, quarry, open pit; (04) Auger; (05) Culm bank/refuse pile; (06) Dredge; (12) Other mining; (17) Independent shops or yards; (30) Mill operation/preparation plant; (99) Office workers at mine site.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date April 12, 2021
    Metadata Updated Date January 20, 2026
    Data Update Frequency R/PT1S

    Metadata Source

    Harvested from DOL JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 12, 2021
    Metadata Updated Date January 20, 2026
    Publisher Mine Safety and Health Administration
    Maintainer
    Identifier MSHA-19-012:030-172
    Language en-US
    Data Last Modified 2025-12-15T16:18:11.702Z
    Rights true
    Category geospatial
    Public Access Level public
    Data Update Frequency R/PT1S
    Bureau Code 000:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Data Quality True
    Data Dictionary https://arlweb.msha.gov/OpenGovernmentData/DataSets/MineSProdQuarterly_Definition_File.txt
    Data Dictionary Type text/plain
    Harvest Object Id c651763c-5246-400a-a3a4-b179e99f2eb4
    Harvest Source Id 81f6ae6e-c0d0-4e98-bb1b-04e323ef429e
    Harvest Source Title DOL JSON
    Homepage URL https://www.msha.gov/mine-data-retrieval-system
    Metadata Type geospatial
    Program Code 000:000
    Publisher Hierarchy Mine Safety and Health Administration > Mine Safety and Health Administration
    Source Datajson Identifier True
    Source Hash bd4b37f441f804289c73b1eb92da4f4d2e564a135333ecd8ea1bad8169302a2c
    Source Schema Version 1.1
    Temporal 2000-01-01/2025-12-31

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