Floodpath: The Deadliest Man-Made Disaster of 20th-Century America and the Making of Modern Los AngelesJust before midnight on March 12, 1928, the St. Francis Dam, a twenty story high concrete structure just fifty miles north of Los Angeles, suddenly collapsed, releasing a devastating flood that roared fifty four miles to the Pacific Ocean, destroying everything in its path. It was a horrific catastrophe, yet one which today is virtually forgotten. With research gathered over more than two decades, award winning writer and filmmaker Jon Wilkman