Scope and Contents The Pure Milk Association records document the origin and development of a northern Illinois milk producers’ cooperative during the period 1924 to 1969. The collection contains eleven boxes of materials including the articles of incorporation and amendments (1926-1961), by-laws (1962-1969), minutes and proceedings from board of directors and special committees (1924-1969), membership agreement forms (1926-1950) official records (1936) business manuals (1945), and publications (1951-1964). ...