Public record
National Archives — Northern Cheyenne Agency and Billings Area Office Records
Working record index
Source agency: National Archives and Records Administration (NARA)
Record group: Records of the Bureau of Indian Affairs (Record Group 75)
Coverage: Northern Cheyenne Agency, 1889-1985; Billings Area Office, 1903-1974.
The National Archives identifies Northern Cheyenne Agency holdings at Denver that include general correspondence, subject files, superintendent diaries, program files, financial records, realty correspondence, individual Indian money records, forestry and grazing files, allotment records, irrigation records, and Northern Cheyenne tribal-funds files.