Johnstown flood http://www.johnstownpa.com/History/hist19.html on May 31, 1889 The account of that flood Johnstown Flood http://www.johnstownpa.com/History/hist19.html the Johnstown Flood Facts about Johnstown Flood disastrous 1889 flood disastrous 1889 flood http://www.johnstownpa.com/History/hist19.html on May 31, 1889 The Johnstown flood A Roar like Thunder Johnstown Flood "Johnstown Flood of 1889 - Historic"