This historical map portrays the area of Ortonville in 1971, primarily covering Big Stone County as well as portions of South Dakota. Featuring a scale of 1:24000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Ortonville region at the time. Published in 1974, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.