This historical map portrays the area of Colwell in 2010, primarily covering Colwell as well as portions of Nilesville. 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 Colwell 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 · Mason City
USGS Topo · 1:250,000
1957 · Mason City
USGS Topo · 1:250,000
1958 · Mason City
USGS Topo · 1:250,000
1971 · Charles City
USGS Topo · 1:24,000
1971 · Bassett
USGS Topo · 1:24,000
1971 · Colwell
USGS Topo · 1:24,000
1971 · Floyd
USGS Topo · 1:24,000
1972 · New Haven
USGS Topo · 1:24,000
1972 · Riceville
USGS Topo · 1:24,000
1972 · Ionia
USGS Topo · 1:24,000