Add Layers (check the box) Benchmarks Sections Highways Local Roads Benchmark Labels Rivers & Streams Railroad Township DPC Aerial 2003

The interactive Survey Control website is maintained by DuPage County's GIS Dept., which allows internet users to locate the nearest survey control points & print. Contact the GIS Dept. at benchmarks@dupageco.org or 630-407-5055 to report disturbed or missing survey control points, or with any possible data discrepancies.

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