Daron Coal Strip Mining Puskarich Public Library Coal Museum VIdeos 6:26 1 year ago 801 Скачать Далее
An Introduction to Strip Mining: Techniques and Procedures Coal Mining USA 4:40 1 year ago 2 349 Скачать Далее
Open Pit Mine Life ~ Strip Mining for Coal Jim How's Open Pit Mining Videos 34:14 4 years ago 31 575 Скачать Далее
#surface mining#open pit mining# coal mining # simple animation# miningart 0:53 2 years ago 681 Скачать Далее
The Vault: Documentary 'Scars on a Mountainside' digs into strip mining debate WHAS11 4:01 2 years ago 1 287 Скачать Далее
Preview - Down to Earth - Open Pit Mining Training Video Australian Centre for Geomechanics 1:15 2 years ago 32 585 Скачать Далее
Ohio -1968. Strip Mining. #mining #coal #1960s Vintage Valley Photo Repository 0:56 1 year ago 687 Скачать Далее