The Rock River carves a deep path through Ogle County, Illinois, anchoring the communities of Oregon and Byron in this 2015 survey. The map reveals a landscape defined by significant river bends and numerous tributaries, including the Leaf River, Silver Cr, and Black Walnut Cr. A notable terrain feature, Margaret Fuller Island, sits just north of the Oregon town center, surrounded by the braided currents of the main channel.
80 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.
1917 · Kings
USGS Topo · 1:62,500
1918 · Dixon
USGS Topo · 1:62,500
1918 · Kings
USGS Topo · 1:62,500
1922 · Oregon
USGS Topo · 1:62,500
1924 · Oregon
USGS Topo · 1:62,500
1950 · Dixon
USGS Topo · 1:62,500
1952 · Rochelle
USGS Topo · 1:62,500
1954 · Rockford
USGS Topo · 1:250,000
1955 · Rockford
USGS Topo · 1:250,000
1958 · Aurora
USGS Topo · 1:250,000