Sanborn Fire Insurance Map of 1886. Find the full size using the link in the box to the right for Missouri.
Below is a list of sites with a limited number of digitized Sanborn Fire Insurance Maps made available through various state and academic institutions. These are older maps now in the public domain. To see a large, beautiful, physical 2-volume set for Springfield from 1956, head down to the Library Center on So. Campbell to the local history rare book room. It's worth the trip.