Palmer Co-Operative Dairy Association Letterhead. Material: paper. Description: paper; black print: "E.O. Engebretson, President; S.S. Johnson, Vice President; J.C. Johnson, Secretary; L.L. Fretham, Treasurer and Manager; Directors: Knute Jameson, Iver Iverson, David Larson, Palmer Co-Operative Dairy Association, Manufacturers of Fine Creamery Butter, Waseca, Waseca County, Minn., 190."