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 ⬇️
https://t.co/5qL0fWTnCZ
🏗💧💩🧪🧫🔬🌊🌞 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 ⬇️
https://t.co/4Ze30JYqbAhttps://t.co/dv47DEaAi1
