- Department of Commerce. Bureau of the Census. Office of the Assistant Director for Operations. Geography Division. (3/13/1947 - 1968)
- National Archives at College Park - Cartographic
This item lists Enumeration Districts for: OR ED 25-19: SOUTH HEPPNER ELECTION PRECINCT, HEPPNER CITY (PART), MORROW COUNTY JAIL. OR ED 25-20: SOUTH HEPPNER ELECTION PRECINCT OUTSIDE HEPPNER CITY.