U.S. Geological Survey Photographic Library
ID. Mount St. Helens - Shulter, M.V. 1Click on photo for higher resolution. Mount St. Helens, ejecting ash on May 18. Ash from this eruption drifted eastward, whereas on March 30 the ash drifted south toward Mount Hood, Oregon (shown in background) and the Bull Run watershed. Skamania County, Washington and Hood River County, Oregon. May 18, 1980. Portion published as figure 1 in U.S. Geological Survey. Circular 850-A. 1980. Image file: /htmllib/btch140/btch140j/btch140z/msmv0001.jpg |