Fire Insurance Maps
Sanborn Map Company, Aug 1922 - Mar 1932 · 8 sheets
Likely public domainNo copyright renewal is on record, so it lost its copyright after 28 years.

NETROnline
Heppner, Morrow County - 1932 Fire Insurance Maps
8 sheets
Tip: use ← → to turn the pages, or drag along the bottom of the book