1939 Map of Mercer

This historical map portrays the area of Mercer in 1939, primarily covering Mercer County as well as portions of Butler County and Lawrence County. Featuring a scale of 1:62500, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Mercer region at the time. Published in 1959, it is the sole known edition of this map.