ANALYSIS OF THE CHANGES IN THE OPERATIONAL STRUCTURES AND SAFETY MEASURES OF U.S. UNDERGROUND COAL MINES ACROSS DIFFERENT MINE-SIZE CATEGORIES, 2000-2014
Jeremy M. Gernand, Dissertation Advisor/Co-Advisor Jeremy M. Gernand, Committee Chair/Co-Chair Seth Blumsack, Committee Member Shimin Liu, Committee Member Matthew Reimherr, Outside Member
