The Sanborn Overlays – Introduction
Sanborn Insurance maps were developed between 1867 and 2007 to assist insurance companies in assessing the risk of fire. They contain detailed information about every building and space and associated…
The Sanborn overlays: Olympia in 1891
The pace of Olympia’s growth accelerated with the introduction of a railroad line and statehood. Business was booming in 1891: a close look at the maps shows the erection of…