
The confluence of the Shell Rock River and the Winnebago River anchors the town of Rockford in this early 1970s topographic study. The landscape is defined by its industrial and agricultural utility, with numerous Gravel Pits and a substantial Claypit marking the riverbanks, hinting at the local brick and tile industry that historically fueled the area's economy. The settlement is well-connected by heavy rail infrastructure, including the Chicago Rock Island and Pacific and the C M St P & P railroads, which cut through the surrounding townships of Rock Grove, Rudd, and Ulster.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Mason City
USGS Topo · 1:250,000
1954 · Waterloo
USGS Topo · 1:250,000
1955 · Waterloo
USGS Topo · 1:250,000
1957 · Mason City
USGS Topo · 1:250,000
1958 · Mason City
USGS Topo · 1:250,000
1959 · Mason City
USGS Topo · 1:62,500
1959 · Nora Springs
USGS Topo · 1:24,000
1959 · Mason City SE
USGS Topo · 1:24,000
1971 · Orchard
USGS Topo · 1:24,000
1971 · Rudd
USGS Topo · 1:24,000