This historical map portrays the area of Trenton in 1981, primarily covering Grundy County as well as portions of Linn County, Daviess County, Harrison County, Sullivan County, Putnam County, and Mercer 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 Trenton region at the time. Published in 1981, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.