Revision History for SIR 2015–5186

Robert T. Kay

Hydrogeology and Groundwater Quality at Monitoring Wells Installed for the Tunnel and Reservoir Plan System and Nearby Water-Supply Wells, Cook County, Illinois, 1995–2013

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Posted online April 4, 2016

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Revised and reposted May 16, 2016, version 1.1

Figure 12 was replaced.