Mount St. Helens' crater and lava dome, as seen from the south.
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Mount St. Helens' crater and lava dome, as seen from the south.
Mount St. Helens' crater and lava dome, as seen from the west-northwest.
Mount St. Helens' crater and lava dome, as seen from the west-northwest.
New growth on Mount St. Helens dome as seen from the east.
New growth on Mount St. Helens dome as seen from the east.
The Revolution in Mapping at the U.S. Geological Survey
by Susan P. Benjamin, Research Geographer
The Revolution in Mapping at the U.S. Geological Survey
by Susan P. Benjamin, Research Geographer
Close-in view of Mount St. Helens' growing lava dome, as seen from the south. November 2005
Close-in view of Mount St. Helens' growing lava dome, as seen from the south. November 2005
Close-in view of Mount St. Helens' growing lava dome, as seen from the east. November 2005
Close-in view of Mount St. Helens' growing lava dome, as seen from the east. November 2005
Mount St. Helens' new growth as seen from the east, with a football field for comparison.
Mount St. Helens' new growth as seen from the east, with a football field for comparison.
Mount St. Helens' new growth as seen from the east.
Mount St. Helens' new growth as seen from the east.
John Clune, PA Water Science Center, processing an emerging-contaminants bed-sediment sample at Lititz Run.
John Clune, PA Water Science Center, processing an emerging-contaminants bed-sediment sample at Lititz Run.
Close-in view of the growing lava dome within Mount St. Helens' crater, as seen from the east. Note the prominent striations. November 2005
Close-in view of the growing lava dome within Mount St. Helens' crater, as seen from the east. Note the prominent striations. November 2005
John Clune, PA Water Science Center, collecting an emerging-contaminants bed-sediment sample at the Susquehanna River at Danville,PA.
John Clune, PA Water Science Center, collecting an emerging-contaminants bed-sediment sample at the Susquehanna River at Danville,PA.
Dome within Mount St. Helens crater, November 2004, aerial view from the north.
Dome within Mount St. Helens crater, November 2004, aerial view from the north.
Mount St. Helens' crater and lava dome, as seen from the southwest.
Mount St. Helens' crater and lava dome, as seen from the southwest.
Mount St. Helens' crater, dome, and new growth as seen from the southeast.
Mount St. Helens' crater, dome, and new growth as seen from the southeast.
Mount St. Helens' new growth as seen from the south.
Mount St. Helens' new growth as seen from the south.
USGS scientist Cynthia Gardner examines fresh rock samples from the new growth on Mount St. Helens' dome,
USGS scientist Cynthia Gardner examines fresh rock samples from the new growth on Mount St. Helens' dome,
Deming Glacier and Mount Baker summit, Washington. View to the northeast.
Deming Glacier and Mount Baker summit, Washington. View to the northeast.
Aerial view of Mount St. Helens' crater and lava dome, as seen from the north.
Aerial view of Mount St. Helens' crater and lava dome, as seen from the north.
Dome within Mount St. Helens' crater, November 2004, aerial view from the east.
Dome within Mount St. Helens' crater, November 2004, aerial view from the east.
Lava dome within Mount St. Helens' crater; close-in view of Mount St. Helens new growth, from nearly vertical view. North is to the bottom. November 2005
Lava dome within Mount St. Helens' crater; close-in view of Mount St. Helens new growth, from nearly vertical view. North is to the bottom. November 2005
Mount St. Helens new growth, from the northwest.
Mount St. Helens new growth, from the northwest.