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    • Hours Worked Report

    Metadata Updated: January 20, 2026

    Hours Worked (Office Workers Excluded) - Closed Years Only Data Starting: 2012 By Calendar Year, Coal or Metal/Non-Metal ; and Mine Type Contractor Data is Included

    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/P1Y

    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-19-012:030-156
    Language en-US
    Data Last Modified 2025-12-15T16:25:04.181Z
    Rights true
    Public Access Level public
    Data Update Frequency R/P1Y
    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://microstrategy.msha.gov/MicroStrategy/asp/mdrshelp/helpdocumentation.pdf
    Data Dictionary Type application/pdf
    Harvest Object Id fa15ae64-fda2-428c-a11c-0b4a26e471e0
    Harvest Source Id 81f6ae6e-c0d0-4e98-bb1b-04e323ef429e
    Harvest Source Title DOL JSON
    Homepage URL https://www.msha.gov/mine-data-retrieval-system
    Program Code 000:000
    Publisher Hierarchy Mine Safety and Health Administration > Mine Safety and Health Administration
    Source Datajson Identifier True
    Source Hash f2aa0bcee6267abeafd8f246ecb81aeada57db81f141870a29e8db9037a2b3b7
    Source Schema Version 1.1

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