
The Illinois River dominates this landscape at the intersection of Morgan, Pike, Scott, and Brown counties, where a complex network of levees and backwater lakes defines the river valley. The river’s path is flanked by expansive islands including Wilsons Island and Eagle Island, which form the core of the Meredosia National Wildlife Refuge. This environment supported a specialized river economy, evidenced by the numerous sandpits and settling ponds located near the town of Meredosia.
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1924 · Winchester
USGS Topo · 1:48,000
1924 · Griggsville
USGS Topo · 1:62,500
1926 · Griggsville
USGS Topo · 1:62,500
1926 · Winchester
USGS Topo · 1:62,500
1928 · Meredosia
USGS Topo · 1:62,500
1929 · Arenzville
USGS Topo · 1:62,500
1931 · Meredosia
USGS Topo · 1:62,500
1932 · Arenzville
USGS Topo · 1:62,500
1948 · Quincy
USGS Topo · 1:250,000
1956 · Quincy
USGS Topo · 1:250,000