Supreme Court of the United States March 7, 1921, 87 (United States v. Diamond Coal & Coke Co.)

Mr. Chief Justice White

delivered the opinion of the court.

This suit, begun by the United States against the Diamond Coal & Coke Company iii October, 1917, had a threefold object: (1) To cancel 18 patents granted to that number of persons, at dates ranging from 14 to 20 years prior to the commencement of the suit, and covering 2,283 acres of coal land situated in the Evanston Land District,