Colorado District Court Jurisdictions


 * U.S. District and Other Courts in Colorado 1861-1960
 * U.S. Territorial Court
 * First District (Denver)
 * Second District (Central City)
 * Third District (Pueblo)
 * U.S. District Court
 * Denver Division
 * Del Norte Division
 * Durango Division
 * Grand Junction Division
 * U.S. Circuit Court
 * Denver Division
 * Montrose Division
 * Pueblo Division
 * Grand Junction Division
 * Durango Division
 * Montrose Division

 National Archives Publications 
 * M1192: Naturalization Records Created by the U.S. District Courts in Colorado, 1877-1952. 79 rolls

Family Search Historical Record Collections

 * Colorado Naturalization Records, 1876-1990