This document, from the lesson plan series, "Teaching with Historic Places," explores the Johnstown Flood of 1889. An introduction reviews the historical facts of the disaster that claimed over 2200 lives and produced 17 million dollars in property damage. The document sets out objectives for students and suggests teaching activities. Sections include "Setting the Stage"; "Locating the Site"; "Determining the Facts"; and "Visual Evidence." Readings and activities accompany the sections. There is a map of the area where the flooding occurred, an illustration of the South Fork Dam, and seven photographs of the flood damage. The document also includes sections on "Further Reading" and "Visting the Sites." (SG)