BISMARCK — The thought of digging a trench to send 590,000 barrels a day of 100-degree crude oil coursing through a pipe buried in eastern North Dakota’s subsoil has some in this state worried about environmental damage. But the lands where the TransCanada Keystone Pipeline contents will originate are already more ravaged than the amount of potential harm to cropland, waterways and trees between Walhalla and Cogswell, N.D.
Some opponents of the Keystone route through North Dakota cite the controversial extraction process in northern Alberta as a reason to discourage bringing the 30-inch line through on its way to refineries in Illinois and Oklahoma.
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