CNNMoney | Keystone pipeline springs leak in South Dakota CNNMoney A key section of the Keystone pipeline has been shut down due to an oil spill in South Dakota, TransCanada said on Monday. TransCanada (TRP), which operates the pipeline, reported a spill of about 187 gallons of crude oil to the Coast Guard's National ... TransCanada shuts down Keystone after oil seeps to surface Keystone pipeline shut down after oil surfaces in South Dakota Crews cleaning up oil pipeline spill near Freeman |