This historical map portrays the area of Union Center NW in 2010, primarily covering Le Mars as well as portions of Merrill and Neptune. 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 Center NW 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.
1955 · Sioux City
USGS Topo · 1:250,000
1958 · Sioux City
USGS Topo · 1:250,000
1959 · Sioux City
USGS Topo · 1:250,000
1962 · Le Mars
USGS Topo · 1:62,500
1962 · Union Center
USGS Topo · 1:62,500
1964 · James
USGS Topo · 1:24,000
1964 · Hinton
USGS Topo · 1:24,000
1969 · Brunsville
USGS Topo · 1:24,000
1985 · Union Center
USGS Topo · 1:24,000
1985 · Union Center SE
USGS Topo · 1:24,000