Fire Insurance Maps
Sanborn Map Company, Sep 1911 - Jan 1932 · 2 sheets
Likely public domainNo copyright renewal is on record, so it lost its copyright after 28 years.
NETROnline
Rockwell, Cerro Gordo County - 1932 Fire Insurance Maps
2 sheets
Tip: use ← → to turn the pages, or drag along the bottom of the book