Complete edition
3 sheetsSanborn Map Company, Sep 1917
Public domainSep 1917.; 3 sheet(s).
Open map bookFire Insurance Maps
Every edition of Humboldt's fire insurance maps in the collection, year by year. Open one to page through its sheets.
2 years from 1917 to 1931. Each edition shows its U.S. copyright status; see how it's checked.
Complete edition
3 sheetsSanborn Map Company, Sep 1917
Public domainSep 1917.; 3 sheet(s).
Open map bookComplete edition
3 sheetsSanborn Map Company, Sep 1917 - Jun 1931
Likely public domainSep 1917 - Jun 1931.; 3 sheet(s).; 503.
Open map book