Digital jpg's taken from scans made by the Library of Congress Sanborn Fire Insurance Map collection online for counties in Burnett, Pierce, Polk, and St. Croix Counties. Cities included at time of cataloging include Amery (Polk County), Baldwin (St. Croix County), Ellsworth (Pierce County), Frederic (Polk County), Glenwood City (Burnett County), Grantsburg (Burnett County), Hammond (St. Croix County), Hudson (St. Croix County), New Richmond (St. Croix County), Osceola (Polk County), River Falls, (Pierce and St. Croix Counties), Spring Valley (Pierce County), St. Croix Falls (Polk County).
Visit Library of Congress online webpage for tiff files.