Bird's-eye view of the Conemaugh Valley from Nineveh to the lake, Johnstown, Pennsylvania : from personal sketches and surveys of the Pennsylvania R.R. by permission /

Aerial view of the Johnstown vicinity showing the route of the waters of the Johnstown Flood of 31 May 1889 and the devastated areas resulting from them.
Relief shown by landform drawings.
Devastated areas, buildings, and débris accumulations shown pictorially.
Includes inset col. ill. of "South Fork Dam", inset of upstream area traversed by the Pennsylvania Railroad, and inset cross-section of dam.
Available also through the Library of Congress Web site as a raster image.