National Survey of the Mining Population Part I: Employees CDC
Appendix C. MSHA Form 7000 2: Quarterly Mine Employment and Coal Production. Report . .. For mine level analyses, the best design was one that selected mines with equal probability, while for employee level .. the ratio of the weights of known eligible nonrespondents, plus respondents, plus ineligible mines.
Billionaire Spent Millions In Charity, But Avoided Mine Fines : NPR
Nov 15, 2014 . Among the mining executives that NPR investigated, one coal mine owner in West ia stands out. His mines owe nearly $2 million in overdue fines, while he, himself, is a prominent billionaire. Jim Justice is West ia's richest man, with a net worth of $1.6 billion, according to Forbes. He owns 70.Get Price