par energy_isere » 02 août 2010, 10:23
Au USA, Wyoming
cette page sur le charbon dans le Wyoming :
http://www.blm.gov/wy/st/en/field_offic ... /coal.html
prés de 14 millions de tonnes extraites en 2006 sur l' ensemble des mines du Wyoming.
Statistics: The BLM Rock Springs Office oversees management of approximately 42,000 acres of federal coal leases held by the four different operators. These operators are Bridger Coal Company and Black Butte Coal Company, both located to the east of Rock Springs, and P&M located near Kemmerer and Arch Coal, Inc., east of Hanna, WY. Annual combined output for these mine operations in 2006 exceeded 13.9 million tons of coal, produced by a labor force numbering 864 people.
Au USA, Wyoming
[img]http://www.blm.gov/pgdata/etc/medialib/blm/wy/field-offices/rock_springs/Minerals.Par.64564.Image.-1.-1.1.gif[/img]
[img]http://www.blm.gov/pgdata/etc/medialib/blm/wy/field-offices/rock_springs/Minerals.Par.41776.Image.-1.-1.1.gif[/img]
cette page sur le charbon dans le Wyoming : http://www.blm.gov/wy/st/en/field_offices/Rock_Springs/minerals/coal.html
prés de 14 millions de tonnes extraites en 2006 sur l' ensemble des mines du Wyoming.
[quote]Statistics: The BLM Rock Springs Office oversees management of approximately 42,000 acres of federal coal leases held by the four different operators. These operators are Bridger Coal Company and Black Butte Coal Company, both located to the east of Rock Springs, and P&M located near Kemmerer and Arch Coal, Inc., east of Hanna, WY. Annual combined output for these mine operations in 2006 exceeded 13.9 million tons of coal, produced by a labor force numbering 864 people.
[/quote]