Rangers at Johnston Ridge Observatory presenting the 1980's volcanic eruption of Mount St. Helens photo

5 months

Collecting traps containing aquatic creates from ponds at Mount St. Helens photo

5 months

Emptying the traps collecting aquatic creates from ponds at Mount St. Helens photo

5 months

Standing Dead Trees at Mount St. Helens National Volcanic Monument photo

5 months

Climbers with alpenstocks on Mount St. Helens, ca 1895 (SARVANT 58) photo

about 2 years

Ash (182749625) photo

over 2 years

Washington State photo

over 2 years

2011-08-01%2018.52.49 photo

over 2 years

2011-08-01%2018.52.32 photo

over 2 years

2011-08-01%2018.53.12 photo

over 2 years

Pre-1980 Eruption of Mount St. Helens photo

almost 3 years

Mt. St. Helens NM in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens NM in Washington photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Coldwater Lake Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens and Spirit Lake at Mt. Margaret Backcountry in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Sunrise at Mt. St. Helens NM in WA photo

almost 3 years

Coldwater Lake Trail in WA photo

almost 3 years

Coldwater Lake Trail in WA photo

almost 3 years

Sunrise at Mt. St. Helens NM in WA photo

almost 3 years

Mt. St. Helens NM in Washington photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Coldwater Lake Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years

Mt. St. Helens Summit Trail in WA photo

almost 3 years