Caption: Mayor Henry W. Kiel turns a valve to begin using the new filtration system on May 15, 1915. At his left is city water commissioner Edward Wall, the city's water chief from 1911 to 1925. Kiel, namesake of Kiel auditorium and opera house, was mayor from 1913 to 1925. (Post-Dispatch)
Album ID: 1199804
Photo ID: 34835714