Daily Mail | Pipeline breach spills 50000 gallons of oil into Yellowstone River Daily Mail An oil pipeline breach spilled up to 50,000 gallons of oil into the Yellowstone River near Glendive, Montana. But the spill, which occurred at 10 a.m. on Saturday, does not pose a threat to public safety or health, according to Montana officials. And ... Oil Spills Into Yellowstone River After Montana Crude Pipe Leak Pipeline breach spills oil into Yellowstone River |