
Mason City serves as the primary hub of this Central Illinois landscape, situated at the crossing of major rural corridors including Old Rte 29. The town's grid is clearly defined by residential streets such as E Chestnut St and W Walnut St, while the Mason City Cem sits on the eastern edge. This survey documents the transition from the organized town blocks to the sprawling agricultural tracts of the surrounding prairie.
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This is the sole edition of this map. No revisions or reprints were ever made.
1929 · Manito
USGS Topo · 1:62,500
1932 · Manito
USGS Topo · 1:62,500
1933 · Petersburg
USGS Topo · 1:62,500
1938 · Petersburg
USGS Topo · 1:62,500
1942 · Delavan
USGS Topo · 1:62,500
1948 · Mason City
USGS Topo · 1:62,500
1949 · Mason City
USGS Topo · 1:62,500
1958 · Peoria
USGS Topo · 1:250,000
1961 · Peoria
USGS Topo · 1:250,000
1963 · Peoria
USGS Topo · 1:250,000