1981 Map of Sister Lakes

This historical map portrays the area of Sister Lakes in 1981, primarily covering Cass County as well as portions of Berrien County and Van Buren County. Featuring a scale of 1:24000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Sister Lakes region at the time. Published in 1982, it is the sole known edition of this map.