
The southern outskirts of Marengo and the surrounding agricultural townships define this late-1960s landscape, where the Chicago and North Western railroad cuts a diagonal path through the northern half of the quadrangle. The map captures a period of transition as the Northwest Tollway establishes a major modern corridor through the southern half, featuring a Tollgate and proximity to the village of Harmony. Smaller rural centers like Union and Coral anchor the local community, with landmarks such as Union Ch and multiple family-service burial grounds including Union Cem and Coral Cem provided for researchers. The terrain is marked by the winding South Branch Kishwaukee River and numerous gravel extractions, reflecting both the glacial geology and the infrastructure needs of the growing northern Illinois region.
57 named features on this map. Tap any name to fly to it.
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2 editions found
1925 · Elgin
USGS Topo · 1:62,500
1926 · Mc Henry
USGS Topo · 1:62,500
1932 · Harvard
USGS Topo · 1:48,000
1937 · Harvard
USGS Topo · 1:62,500
1938 · Genoa
USGS Topo · 1:62,500
1940 · Elgin
USGS Topo · 1:62,500
1944 · McHenry
USGS Topo · 1:62,500
1954 · Rockford
USGS Topo · 1:250,000
1955 · Rockford
USGS Topo · 1:250,000
1958 · Rockford
USGS Topo · 1:250,000