Tue, 22 May 2012 15:46:09 CDT
The world's largest known reservoir of heavy crude oil is in the Athabasca Oil Sands, Alberta, Canada, and the oil is extracted by surface mining.
Read full article at: topix.net
Tue, 22 May 2012 15:46:09 CDT
The world's largest known reservoir of heavy crude oil is in the Athabasca Oil Sands, Alberta, Canada, and the oil is extracted by surface mining.
Read full article at: topix.net