The Pecatonica River winds extensively through this landscape, creating a complex wetland network just south of the Wisconsin-Illinois state line. The settlements of Shirland and Harrison serve as the primary hubs in this rural Winnebago County region, where the river meets the Sugar River and various tributaries like Otter Creek and Raccoon Creek. This area is characterized by a high concentration of small private airfields and local aviation markers, including Loeppert CPL Aero, Darrington Airport, and Severson Airport, reflecting a distinct modern land use pattern among the large agricultural tracts.
43 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1891 · Janesville
USGS Topo · 1:62,500
1893 · Janesville
USGS Topo · 1:62,500
1893 · Brodhead
USGS Topo · 1:62,500
1918 · Rockford
USGS Topo · 1:62,500
1932 · Pecatonica
USGS Topo · 1:62,500
1936 · Pecatonica
USGS Topo · 1:62,500
1938 · Rockford
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