Historical Markers in Gifford Pinchot National Forest, Washington
Stevenson is the county seat for Skamania County
Gifford Pinchot National Forest is in Skamania County
Skamania County(20) ► ADJACENT TO SKAMANIA COUNTY Clark County(49) ► Cowlitz County(5) ► Klickitat County(21) ► Lewis County(9) ► Yakima County(20) ► Hood River County, Oregon(31) ► Multnomah County, Oregon(27) ►
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Mount Adams. Mount Hood. Mount St. Helens. These serene, snow-covered mountains beckon one to come closer. But beware. These mountains were born by repeated, often violent eruptions of ash, lava, and pumice. Their eruptions and landslides created . . . — — Map (db m158995) HM
Gary Rosenquist wanted eruption pictures. On May 17, 1980, he and friends Joel and Linda Harvey, their 10-year-old son Jo-Jo, and William Dilley drove down from Tacoma. They camped here, at Bear Meadow, 11 miles northeast of Mount St. Helens.
. . . — — Map (db m84463) HM
Native people knew her. Their names for the mountain translated to "Fire Mountain" or "Smoker." They watched her erupt repeatedly, building most of the visible mountain over the last 2,800 years. Eruptions and heavy ash fall caused them to abandon . . . — — Map (db m158994) HM
The 1980 lateral blast shot hot rock, ash and debris northward at hundreds of miles per hour. For three minutes, the blast pummeled slopes facing the volcano, like those on your right, leaving few survivors. Slopes closest to the volcano were . . . — — Map (db m190631) HM
This landscape is a monument to the Earth’s power.
The incredible story began on March 20, 1980, when magma began rising into Mount St. Helens. The volcano’s summit diverted the magma sideways, shoving the northern slope outward at a rate of . . . — — Map (db m84949) HM
You are looking at a past and future old-growth forest. On May 18, 1980, the lush ecosystem flanking the north side of Mount St. Helens was buried beneath a massive landslide, and covered repeatedly with searing avalanches of hot gases and . . . — — Map (db m158992) HM
On May 18, 1980, the eastern edge of the searing lateral blast
rolled up and over ridges to your right. It tore through the Clearwater Valley, lifting just behind where you stand. The blast left a gray patchwork of fallen and standing dead . . . — — Map (db m84911) HM