This series consists of decimal correspondence files. The records include letters received and copies of letters sent, forms, reports, bills of sale, receipts, checks, vouchers, payroll records, bills of lading, statistics, calendars, memorandums, and telegrams. The correspondents include the Office of Indian Affairs, business firms, agency employees, and private individuals. Topics in the records include employees, transportation, equipment and supplies, finance, telephones, sanitation, health, sports, recreation, curriculum planning, students, enrollment, and other aspects of the operation of the school. While the superintendent's office was directly involved in the creation or receipt of much of the documentation, other agency officials and administrative divisions are also represented in the series.