The Mississippi River serves as the central artery for this 2012 study, dividing the riverfront communities of Port Byron and Rapids City in Illinois from Le Claire on the Iowa side. This segment of the river valley is characterized by its proximity to the confluence with the Rock River, which flows past the southern settlements of Cleveland and Barstow. The transport network is anchored by several major river crossings and regional thoroughfares, showing the modern infrastructure that connects these historical river towns.
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This is the sole edition of this map. No revisions or reprints were ever made.
1892 · Leclaire
USGS Topo · 1:62,500
1893 · Leclaire
USGS Topo · 1:62,500
1899 · Clinton
USGS Topo · 1:125,000
1934 · Geneseo
USGS Topo · 1:62,500
1937 · Orion
USGS Topo · 1:62,500
1949 · Coal Valley
USGS Topo · 1:24,000
1949 · Silvis
USGS Topo · 1:24,000
1949 · Port Byron
USGS Topo · 1:24,000
1950 · Port Byron
USGS Topo · 1:24,000
1952 · Erie
USGS Topo · 1:62,500