CHARLESTON, W.Va. — A half-century ago, the nation's top health experts urged the federal agency in charge of mine safety to adopt strict rules protecting miners from poisonous rock dust.
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The Clearwater wind project near Circle, Montana has a capacity of 750 megawatts.
The Clearwater wind project near Circle, Montana has a capacity of 750 megawatts.
The Clearwater wind project near Circle, Montana has a capacity of 750 megawatts.
The Clearwater wind project near Circle, Montana has a capacity of 750 megawatts.
The Clearwater wind project near Circle, Montana has a capacity of 750 megawatts.
Construction continues at NorthWestern Energy's gas fired Laurel Generating Station. The plant will use 18 reciprocating internal combustion engines and the plant is estimated to cost $250 million.
Construction continues at NorthWestern Energy's gas fired Laurel Generating Station. The plant will use 18 reciprocating internal combustion engines and the plant is estimated to cost $250 million.
Construction continues at NorthWestern Energy's gas fired Laurel Generating Station. The plant will use 18 reciprocating internal combustion engines and the plant is estimated to cost $250 million.
The 20 megawatt Meadowlark Solar project near Billings was completed last fall.
The 20 megawatt Meadowlark Solar project near Billings was completed last fall.
The 20 megawatt Meadowlark Solar project near Billings was completed last fall.
The 20 megawatt Meadowlark Solar project near Billings was completed last fall.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip industrial ponds.
An aerial view shows Colstrip industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial and recreational ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial and recreational ponds.
An aerial view shows open pit coal mining near Colstrip.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
An aerial view shows Colstrip units 1,2,3 and 4 as well as nearby industrial ponds.
