![Canada Tips WW2 opencast workings mining coal and iron ore part of Blaenavon World Heritage Site in South Wales UK Stock Photo - Alamy Canada Tips WW2 opencast workings mining coal and iron ore part of Blaenavon World Heritage Site in South Wales UK Stock Photo - Alamy](https://c8.alamy.com/comp/C1BWF6/canada-tips-ww2-opencast-workings-mining-coal-and-iron-ore-part-of-C1BWF6.jpg)
Canada Tips WW2 opencast workings mining coal and iron ore part of Blaenavon World Heritage Site in South Wales UK Stock Photo - Alamy
![A wild Bighorn Sheep 'Ovis canadensis'; laying on top of a pile of coal at the Luscar mine near Cadomin Alberta Canada Stock Photo - Alamy A wild Bighorn Sheep 'Ovis canadensis'; laying on top of a pile of coal at the Luscar mine near Cadomin Alberta Canada Stock Photo - Alamy](https://c8.alamy.com/comp/K6K9M9/a-wild-bighorn-sheep-ovis-canadensis-laying-on-top-of-a-pile-of-coal-K6K9M9.jpg)
A wild Bighorn Sheep 'Ovis canadensis'; laying on top of a pile of coal at the Luscar mine near Cadomin Alberta Canada Stock Photo - Alamy
![Canadian mining giant Barrick Gold fired whistleblower. Then it spilled cyanide into five rivers | Canada's National Observer: Climate News Canadian mining giant Barrick Gold fired whistleblower. Then it spilled cyanide into five rivers | Canada's National Observer: Climate News](https://www.nationalobserver.com/sites/nationalobserver.com/files/styles/nat_social/public/img/2016/06/24/240616-antonioruggeribarrickgold-pascualama.jpg?itok=wrI7TWQF)
Canadian mining giant Barrick Gold fired whistleblower. Then it spilled cyanide into five rivers | Canada's National Observer: Climate News
![Front Matter | Coal Mining and Ground-Water Resources in the United States | The National Academies Press Front Matter | Coal Mining and Ground-Water Resources in the United States | The National Academies Press](https://nap.nationalacademies.org/books/19666/gif/R4.gif)