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Using The Sanborn Fire Insurance Maps

USING THE SANBORN FIRE INSURANCE MAP We’ve done a blog post in the past concerning our Sanborn Fire Map collection, and I wanted to go one step further; while the previous post dealt with the nature and scope of the collection, I wanted to show you how to use the maps for your property research.  We have digitized maps from 1886, 1894, 1909, and 1909-1949 for Covington and vicinity, and a subscription for the entire state of Kentucky in the years that are digitally available; print maps of Covington (Vol 1) and the surrounding areas (Vol  2) that originated 1909 and are physically updated through about 1950; and 1946-1992 on microfilm. I begin below with an annotated graphical introduction to the characteristics of the maps and a view of the Sanborn’s key map.  Whether in print, digitized, or on microfilm, each ‘map’ is a set of multiple pages of enlarged maps preceded by a key map and symbol key.  Each year has slightly different symbols and color codes, so be sure to check the key for the year that you are using. Since the Sanborn maps are of more densely settled areas, I’ve also included a view from a county atlas in our collection so that you can see the types of information included in these resources in comparison to the Sanborn maps. Lastly, I’ve included a view of the enlarged map of a property in Covington in 1886; on this map I’ve noted the characteristics that can be either directly observed or interpreted through the use of the key.  USING THE SANBORN FIRE INSURANCE MAPS TO LEARN ABOUT YOUR HISTORIC PROPERTY One of the most important things to know when trying to read any [...]