What if the famous map of Broad Street played no role in determining how cholera spread? Or if John Snow didn't make the ...

📜 England's Broad Street Pump - Part 3 - Extra History John Snow raced to discover the causes of the cholera epidemic that swept Broad Street. He went door-to-door talking to the locals ...

The Vine Street Expressway is filled like a bathtub from Broad Street to the Schuylkill River after torrential ... one near 10th Street and the other beneath 22nd Street. It was the pump station at ...