This historical map portrays the area of Shannon in 2021, primarily covering Freeport as well as portions of Florence, Shannon, and Harper. 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 Shannon region at the time. Published in 2021, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1937 · Lena
USGS Topo · 1:48,000
1939 · Freeport
USGS Topo · 1:48,000
1942 · Mt Carroll
USGS Topo · 1:62,500
1942 · Lena
USGS Topo · 1:62,500
1942 · Forreston
USGS Topo · 1:62,500
1943 · Lena
USGS Topo · 1:62,500
1944 · Mt Carroll
USGS Topo · 1:62,500
1944 · Freeport
USGS Topo · 1:62,500
1945 · Forreston
USGS Topo · 1:62,500
1954 · Rockford
USGS Topo · 1:250,000