Fire Insurance Map Index
The is an index only! Maps are Available at the State Archives
Sanborn Insurance Maps
The Sanborn Insurance Map Index lists specific South Dakota towns, the date of maps, the number of sheets, and map locations. There are 2,040 maps in this indexed collection covering 83 South Dakota towns with maps ranging from 1883-1941. The size of the maps are roughly 21"x 25".
Fire Underwriter Maps
The Fire Underwriter's Map Index includes towns, dates, map size, and map location. There are 374 towns in the Fire Underwriter map collection. The small maps are roughly 9"x13", the large maps are roughly 22"x25". The maps generally date to the late 1950s and early 1960s, although there are a number of maps that date from the 1920s to 1940s.