You searched for: Issue Dates February 1949 Remove constraint Issue Dates: February 1949 Product Keywords butter Remove constraint Product Keywords: butter Collections Foods, 1940-1966 Remove constraint Collections: Foods, 1940-1966 Defendants Yellowstone Dairy Remove constraint Defendants: Yellowstone Dairy Titles 12657. Adulteration of butter. U. S. v. 21 Cubes (1,428 pounds). Remove constraint Titles: 12657. Adulteration of butter. U. S. v. 21 Cubes (1,428 pounds).