
The Rock River corridor defines the boundary between Beloit, Wisconsin, and South Beloit, Illinois, during this 1970s era of industrial and residential growth. This survey captures the convergence of the Pecatonica River and several creeks, illustrating a landscape managed for both utility and leisure. Extensive Gravel Pits and quarries dot the area, supporting the region's development alongside the Chicago Milwaukee St Paul and Pacific railroad lines.
73 named features on this map. Tap any name to fly to it.
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2 editions found
1891 · Janesville
USGS Topo · 1:62,500
1893 · Janesville
USGS Topo · 1:62,500
1893 · Shopiere
USGS Topo · 1:62,500
1918 · Rockford
USGS Topo · 1:62,500
1918 · Belvidere
USGS Topo · 1:62,500
1938 · Rockford
USGS Topo · 1:62,500
1944 · Belvidere
USGS Topo · 1:62,500
1949 · Rockford
USGS Topo · 1:24,000
1954 · Rockford
USGS Topo · 1:250,000
1955 · Rockford
USGS Topo · 1:250,000