Colorado District Court Jurisdictions

Records of the District Courts of the United States, Record Group 21

 * 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
 * Montrose Division
 * Pueblo Division


 * U.S. Circuit Court
 * Denver Division
 * Del Norte Division
 * Montrose Division
 * Pueblo Division
 * Grand Junction Division
 * Durango Division
 * Montrose Division

 FamilySearch Catalog 
 * Historical Records Survey. Colorado Inventory of federal archives in the states, series 02, Federal Courts, no. 06, Colorado Denver, Colorado : Colorado Historical Records Survey, 1939
 * Colorado naturalization records, 1876-1990
 * Naturalization records created by the U.S. District Courts in Colorado, 1877-1952: M1192

 FamilySearch Historical Records 
 * Colorado Naturalization Records, 1876-1990