Colorado, United States Naturalization Records, 1877-1952

This collection includes records such as Petitions for Naturalization, Declarations of Intention, and Oaths of Allegiance filed in the United States District Court of Colorado from 1877 to 1952. Original images are housed at the National Archives and Records Administration Denver Branch. This collection is associated with NARA Record Group 21 and Microfilm Publication M1192.