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| Sinkholes Appear Along Pipeline Route
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| 6/17/2009 |
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Sinkholes have developed in the Pembina Gorge of northeastern North Dakota along the route of TransCanada Corp.`s Keystone pipeline, and some of them have swallowed pine trees.
The first sinkhole was discovered in March on the pipeline right of way along the Cavalier-Pembina county line.
State Forester Larry Kotchman says an assessment team is working on an environmental restoration plan for the area, which includes the Tetrault Woods State Forest.
Officials have identified seven sinkhole areas where Keystone Pipeline crews used horizontal drilling to bury pipe. Kotchman says the sinkholes are not surprising because of the sandy soils in the area. |
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