This Sept. 19 aerial photo shows a tar sands mine facility near Fort McMurray, in Alberta, Canada. Environmentalists are hoping to block a proposed underground oil pipeline that would snake 1,700 miles from Canada to the Gulf of Mexico. The 16-inch steel pipe, if built, would carry oil extracted from Canada through Montana, South Dakota, Nebraska, Kansas and Oklahoma to refineries in Texas. (AP Photo/The Canadian Press, Jeff McIntosh)
Read the article: Official, pipeline lobbyist e-mails questioned
