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The proposed Keystone XL project consists of a 875-mile long pipeline and related facilities to transport up to 830,000 barrels/day from Alberta and The Bakken Shale Formation in Montana.
The U.S. State Department's Final Supplemental Environmental Impact Study is a technical assessment of the potential environmental impacts related to the proposed pipeline. It responds to more than 1.9 million comments received since June 2012 (from both the scoping and Draft Supplemental Environmental Impact Statement comment periods).
All images and charts via the U.S. State Department.
The next step? Comments are being accepted between 2/5/14 and 3/7/14 at http://www.regulations.gov