Damage to the concrete core wall of Hebgen Dam after the August 17 earthquake. Hebgen Lake, Montana Earthquake. 1959.

Album caption: Aug. 17 earthquake shook down the earthfill on the downstream side of Hebgen Dam in southwestern Montana several feet, exposing concrete core wall (right). Crack in earth at left is not significant. Spillway under concrete slab (center) was damaged, as was core wall. Earthfill on downstream side has been repaired since this picture was taken. (Montana Power Company Photo). 11-7-59.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Earthquakes, Hebgen Lake, Montana Earthquake 1959, MM00619 USGS Collection, Montana (MT), Montana Power Company Collection, All tags... Photographers, photo print, Fewer tags

Tilted concrete core of Hebgen Dam. Hebgen Lake, Montana Earthquake. 1959.

Album caption: Tilted concrete core of Hebgen Dam. 1959 Montana. Photo taken by the Montana Power Company. Note: Similar to wij00087 and wij00089.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Earthquakes, Hebgen Lake, Montana Earthquake 1959, MM00619 USGS Collection, Montana (MT), Montana Power Company Collection, All tags... Photographers, U.S. Geological Survey Collection, photo print, Fewer tags

West along Hebgen Dam. Gallatin County, Montana. 1959.

West along dam. Montana earthquake area. Gallatin County, Montana. August 1959. (Aerial view). Album caption: Hebgen Dam. Montana Power Company. Note: Similar to sjr00255.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Earthquakes, Gallatin County, Montana, Hebgen Lake, Montana Earthquake 1959, MM00619 USGS Collection, Montana Power Company Collection, All tags... Photographers, U.S. Geological Survey Collection, photo print, Fewer tags