Ultimate Adventure 2019 Day 6 Recap, Heavy Equipment at Alaska’s only Coal Mine #UA2019October 9, 2019 by admin 0 Comments Videos Share on Facebook Share on Twitter Share on Google+ Share on Pinterest Share on LinkedIn We secured a guided tour of Alaska’s only working coal mine, the Usibelli Mine, where 1.5 million tons of clean-burning low-sulfer coal are mined. We gawked at … Share on Facebook Share on Twitter Share on Google+ Share on Pinterest Share on LinkedIn Products You May Like