April 1980 was a month to remember at Mount St. Helens
![image related to volcanoes. See description](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/img8001.jpg?itok=P8slULZL)
Detailed Description
Measuring tilt in Timberline parking lot in early April 1980 during lightly falling snow. USGS photo by Don Swanson.
Sources/Usage
Public Domain.
Measuring tilt in Timberline parking lot in early April 1980 during lightly falling snow. USGS photo by Don Swanson.
Public Domain.