The boundary between Stephenson and Carroll Counties divides a landscape of agricultural tradition and modern development in Northwest Illinois. Rural settlements like Georgetown, Kittredge, and Zier Cors anchor the lower half of the quadrangle, where a cluster of small airports like Swan Valley Farm Airport and Block Airport suggest a local reliance on private aviation. The northern section is dominated by the sprawling residential infrastructure surrounding Lake Carroll, with its complex network of winding roads like Lake Carroll Blvd and Wakonda Dr contrasting with the straight-line section roads of the surrounding farmland.
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This is the sole edition of this map. No revisions or reprints were ever made.
1937 · Lena
USGS Topo · 1:48,000
1939 · Freeport
USGS Topo · 1:48,000
1942 · Mt Carroll
USGS Topo · 1:62,500
1942 · Lena
USGS Topo · 1:62,500
1942 · Forreston
USGS Topo · 1:62,500
1943 · Lena
USGS Topo · 1:62,500
1944 · Mt Carroll
USGS Topo · 1:62,500
1944 · Freeport
USGS Topo · 1:62,500
1945 · Forreston
USGS Topo · 1:62,500
1954 · Rockford
USGS Topo · 1:250,000