Incoming and outgoing administrative correspondence on child labor practices. The correspondence is separated by county, Yellowstone Park, U. S. Department of Labor, Association, employer, and miscellaneous. The files for counties and Yellowstone Park include requests for offer of employment forms and letter requiring the filing of a certificate of employment. The files for civic and local associations (such as employment security offices, fraternal organizations, city officials, churches, etc.) consist of outgoing form letters which explain child labor practices in Wyoming and request assistance. The correspondence also contains an administrative file of a child labor inspector (Joe Pachecho) and the U. S. Department of Labor regard federal publications.