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1993 Map of Sag Bridge

Name: 1993 Topographic Map of Sag Bridge
Creator: U.S. Geological Survey
Published: 1993
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1993

About this map

Industrial and natural corridors converge at Sag Bridge, where the Des Plaines River runs parallel to both the Illinois and Michigan Canal and the massive Chicago Sanitary and Ship Canal. This 1993 edition, based on earlier surveys and updated via aerial photography, details the complex land use at the intersection of Cook, Will, and DuPage counties. The landscape is dominated by the sprawling Waterfall Glen County Forest Preserve and the Argonne National Laboratory Reservation, which sit in contrast to the dense residential growth of Darien and Burr Ridge.

Genealogists can locate several significant burial grounds, including Mount Vernon Memorial Park and Fairmount Cemetery. The map captures the specialized topography of the region, from the Bluff overlooking the river valley to the intricate wetland systems of the Saganashkee Slough and Tampier Slough. Educational and religious institutions, such as Mt Assisi Academy and St Vincent De Paul Seminary, are clearly marked alongside the historic Chicago and Alton RR line.