Historical Photo of the Day: Elston Avenue and George Street in Chicago on November 3, 1925, showing construction of a shaft house for the North Side Sewer. Learn about the work of the #MWRD on our next virtual tour April 11 ⬇️
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🏗💧💩🧪🧫🔬🌊🌞 https://t.co/dSTvOPoYj1
Historical Photo of the Day: Excavation for a 60-inch diameter, double barrel air pipe during construction of the O’Brien Water Reclamation Plant (WRP) on November 8, 1923. Learn more about our seven WRPs that treat #wastewater for 129 communities ⬇️
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