Official Records
The records of the U.S. District Court for the District of Utah are included among Record Group 21 at the:
National Archives at Denver
Buildings 46 and 48
Denver Federal Center
West 6th Avenue and Kipling Street
Denver, Colorado 80225
Email: denver.archives@nara.gov
A guide to the holdings of the regional archives is available at: https://www.archives.gov/denver/holdings/guide
A published description of the records is also available in the Guide to Federal Records in the National Archives of the United States, 1995 (http://www.archives.gov/research/guide-fed-records/index.html ).
Bibliography
Ashton, Clifford L. History of Territorial Federal Judges for the Territory of Utah, 1848-1896 and United States District Judges for the District of Utah, 1896-1978. Salt Lake City: Utah Bar Foundation, 1988.
-----. "Utah: The Territorial and District Courts." In James K. Logan, ed. The Federal Courts of the Tenth Circuit: A History. Denver: U.S. Court of Appeals for the Tenth Circuit, 1992.