Yellowstone National Park Superintendent Struggles With Need To Use Explosives For Over-Snow Access
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At Glacier National Park, exactly when in summer the Going-to-the-Sun Road will be open end-to-end is hard to predict, due to the heavy snows that fall along the Continental Divide there. In Yellowstone National Park, a schedule determines when the road over Sylvan Pass will open, and park crews try to adhere to it with artillery rounds.