
The confluence of the Sugar River and the Pecatonica River defines this northern Winnebago County landscape, where the meandering waterways dictate the placement of roads and settlements. Near the village of Shirland, the river network creates a complex system of wetlands and oxbows, much of which is conserved within the Sugar River Forest Preserve. The map reveals a rural economy supported by a network of local thoroughfares like Yale Bridge Rd and Freeport Rd, punctuated by several private aviation strips including Loeppert CPL-Aero and Severson Airport. For local historians, the placement of the Shirland Cem, Harrison Cem, and Meridian Cem provides a clear view of early community centers along the Wisconsin Illinois border. This modern survey by the U.S. Geological Survey preserves the names of small drainages like Rhule Creek and Tunnison Creek that feed the larger river basins.
61 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