Coal Mining's Environmental Impact | From The Ashes National Geographic 2:54 7 years ago 364 061 Скачать Далее
How Coal Is Mined and Refined - Top Coal Mining Spots in the World - Documentaries Documentaries 44:00 6 years ago 103 639 Скачать Далее
Everything to Know About Coal (in Under 3 Minutes) Union of Concerned Scientists 2:36 6 years ago 45 237 Скачать Далее
Documentary on COAL: Mining, History and Future Outlook Commodity Culture 15:53 3 years ago 56 827 Скачать Далее
All You Need to Know about Coal (Matt Warder Interview) Money of Mine 51:37 14 hours ago 2 563 Скачать Далее
Coal & Mining 101 - Committed to the Community TransAlta Corporation 5:17 5 years ago 797 Скачать Далее