1981 Map of Clear Lake

This historical map portrays the area of Clear Lake in 1981, primarily covering Cass County as well as portions of Mason County and Schuyler 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 Clear Lake region at the time. Published in 1981, it is the sole known edition of this map.