Georgetown and the rural intersection of Zier Cors anchor this 2015 survey of the borderlands between Carroll and Stephenson counties. The landscape is defined by the winding waters of Boone Branch, E Fork Cr, and Straddle Cr, which carve through the Dyslin Valley. Cultural history is preserved in several small burial grounds scattered across the township, including Cherry Grove Brethren Cem, Sabin Cem, and Wolf Cem. To the west, the development around Lake Carroll represents a shift toward modern residential planning, with named thoroughfares like Lake Carroll Blvd and Broadview Dr contrasting with the long-established grid of country roads such as Loran Rd and Georgetown Rd. Small private airfields like Block Airport and Swan Valley Farm Airport provide further evidence of the region's agricultural and local infrastructure.
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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