We Have More Than 40 Years of Experience. [email protected]
  • Online Us

    24-hour service

  • Find Us

    Zhengzhou, China

  1. Home >
  2. United States Yearly Coal Production Numbers
united states yearly coal production numbers

United States Yearly Coal Production Numbers

Nov 07 2019 The average number of employees at US coal mines increased by 532 from the 2017 level to 53583 employees US coal mining productivity as measured by average production per employee hour decreased 48 from the 2017 level to 623 short tons per employee hour

[email protected]

Related products

toTop