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Twenty-five days have passed since the last leak, this time in Turney, Missouri.
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The National Energy Board approves the construction of TransCanada, but this approval came with 22 conditions to ensure people safety, evirement protection and land owner rights.
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This leak occurs in Carpenter, South Dakota
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The second leak occurs in Howard, South Dakota; 20 gallons of oil were spilled.
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As well as the other this one occurs 2 months after, this time in Freeman, South Dakota.
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Nine days after the third leak, in this time in Hartington, Nebraska.
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This one occurs on Andover, South Carolina, ten gallons were spilled.
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Cushing, Oklahoma
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Udall, Kansas
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Brampton, North Dakota
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Seneca, Kansas
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Bramptom, North Dakota
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Bendena, Kansas
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The State Department said that TransCanada should redirect the Pipeline to avoid ecologically sensitive region on Nebraska.
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President Barak Obama rejects the new route of the pipe and open a new application for the route.
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TransCanada sumits a new route and send it to Nebraska for aproval.
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The Governador of Nebraska approves the new route of the Keystone XL.
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The State Department suspend the regulatory process of the pipeline, citing some unsertainlies if the court of Nebraska.
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The U.S Senate approves the construction of the pipeline but the White House said that the president should approve it first.
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Barak Obama approve the Keystone XL Pipeline.
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Six miles east of Menno, South Dakota.
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Three miles southeast of Amherst, South Dakota