1979 Map of Ontonagon

This historical map portrays the area of Ontonagon in 1979, primarily covering Ontonagon County as well as portions of Gogebic County. Featuring a scale of 1:100000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Ontonagon region at the time. Published in 1991, it is the sole known edition of this map.