'Until 1900 when engineers reversed the flow, this river flowed into Lake Michigan'
the Chicago River
U.S. LAKES & RIVERS: Until 1900 when engineers reversed the flow, this river flowed into Lake Michigan
Until 1900 when engineers reversed the flow, this river flowed into Lake Michigan
Until 1900 when engineers reversed the flow, this river flowed into Lake Michigan
U.S. LAKES & RIVERS
the Chicago River
U.S. LAKES & RIVERS