Where Is the Protection. Searrie, April 23.—J. M. McDonald, secretary of the Knights of Labor, said today that the executive board of the Knights of Labor had information that T. B. Corey, late superintendent for the Oregon Improvement company’s coal mines was not in Chicago for the pur pose of baring 600 railroad men as has been stated, but that his mission was to secure 600 coal miners to take the place of miners at present employed at the New Castle, Gilman and Franklin mines. Superintendent Busch denies this.