- Updated over 6 years ago • Last indexed 9 months agoAverage Coal Quality At Utah Mines T2.24 2004
- Updated over 6 years ago • Last indexed 9 months agoAverage Coal Quality At Utah Mines T2.24 2005
- Updated over 6 years ago • Last indexed 9 months agoAverage Coal Quality At Utah Mines T2.24 2006
- Updated over 6 years ago • Last indexed 9 months agoAverage Coal Quality At Utah Mines T2.24 2007
- Updated over 6 years ago • Last indexed 9 months agoAverage Coal Quality At Utah Mines T2.24 2008
- Updated over 6 years ago • Last indexed 9 months agoAverage Coal Quality At Utah Mines T2.24 2009
- Updated over 6 years ago • Last indexed 9 months agoAverage Coal Quality At Utah Mines T2.24 2010
- Updated over 6 years ago • Last indexed 9 months agoAverage Coal Quality At Utah Mines T2.24 2011
- Updated over 6 years ago • Last indexed 9 months agoAverage Coal Quality at Utah Mines T2.24 2012
- Updated over 6 years ago • Last indexed 9 months agoAverage Coal Quality At Utah Mines T2.24 2013