The St. Helens bridge on Highway 504 was carried over a quarter-mile

A partially buried bridge in black and white

Detailed Description

The May 18, 1980 eruption of Mount St. Helens, Washington, generated lahars that swept down river valleys. The St. Helens bridge on Highway 504 was carried over a quarter-mile (a half-kilometer) downstream and partially buried.  The USGS Cascades Volcano Observatory continues to monitor Mount St. Helens and other very high threat volcanoes. Photo by R.L. Schuster from USGS Professional Paper 1250, fig 406B.

Details

Image Dimensions: 5643 x 3714

Date Taken:

Location Taken: US