 William Worthen also served on the ASCE committee that investigated the failure of the South Fork Dam, which caused the Johnstown Flood of 1889 That ASCE investigation report was not published until two years after the disaster.A detailed discussion of the South Fork dam investigation, the participating engineers, and the science behind the 1889 Johnstown flood was published in 2018.Worthen was a frequent contributor to the professional discussions of the Society and presented the following papers