Hours Worked for Mining: Stone Mining and Quarrying (NAICS 21231) in the United States (IPUBN21231L200000000)

Source: U.S. Bureau of Labor Statistics  

Release: Industry Productivity  

Units:  Millions of Hours, Not Seasonally Adjusted

Frequency:  Annual

Labor hours are measured as annual hours worked by all workers, including wage and salary workers, unincorporated self-employed workers, and unpaid family workers, in the production of goods and services.