This historical map portrays the area of Union in 2010, primarily covering Union as well as portions of Liscomb, Bangor Township, and Liscomb Township. Featuring a scale of 1:24,000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Union region at the time. Published in 2010, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Waterloo
USGS Topo · 1:250,000
1955 · Waterloo
USGS Topo · 1:250,000
1960 · Marshalltown
USGS Topo · 1:24,000
1960 · Marshalltown
USGS Topo · 1:62,500
1960 · Conrad West
USGS Topo · 1:24,000
1975 · State Center NW
USGS Topo · 1:24,000
1975 · State Center
USGS Topo · 1:24,000
1975 · Union
USGS Topo · 1:24,000
1975 · La Moille
USGS Topo · 1:24,000
1979 · New Providence
USGS Topo · 1:24,000