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Images related to Cascades Volcano Observatory.

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Dome within Mount St. Helens' crater, November 2004, aerial view fr...
Dome within Mount St. Helens' crater, Nov. 2005
Dome within Mount St. Helens' crater, Nov. 2005
Dome within Mount St. Helens' crater, Nov. 2005

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 S...
Lava dome within Mount St. Helens' crater; close-in view of Mount S...
Lava dome within Mount St. Helens' crater; close-in view of Mount S...
Lava dome within Mount St. Helens' crater; close-in view of Mount S...

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

Photogeologic map of Mount St. Helens dome. Photograph annotated wi...
Photogeologic map of Mount St. Helens dome. Photograph annotated wi...
Photogeologic map of Mount St. Helens dome. Photograph annotated wi...
Photogeologic map of Mount St. Helens dome. Photograph annotated wi...

Photogeologic map of Mount St. Helens dome. Photograph annotated with identified features within the volcano's crater. November 7, 2004.

Photogeologic map of Mount St. Helens dome. Photograph annotated with identified features within the volcano's crater. November 7, 2004.

Dome, steam, south crater wall, from September Lobe at Mount St. He...
Dome, steam, south crater wall, from Sep. Lobe: Mount St. Helens
Dome, steam, south crater wall, from Sep. Lobe: Mount St. Helens
Dome, steam, south crater wall, from Sep. Lobe: Mount St. Helens

Dome, steam, south crater wall, from September Lobe at Mount St. Helens.

Dome within Mount St. Helens' crater is hot and glowing as it grows...
Dome within Mount St. Helens' crater is hot and glowing as it grows...
Dome within Mount St. Helens' crater is hot and glowing as it grows...
Dome within Mount St. Helens' crater is hot and glowing as it grows...

Dome within Mount St. Helens' crater is hot and glowing as it grows, viewed from Johnston Ridge Observatory (JRO), with base of small steam and ash plume.

Dome within Mount St. Helens' crater is hot and glowing as it grows, viewed from Johnston Ridge Observatory (JRO), with base of small steam and ash plume.

Mount St. Helens with small plume, from south-southwest. ...
Mount St. Helens with small plume, from south-SW.
Mount St. Helens with small plume, from south-SW.
Mount St. Helens with small plume, from south-SW.

Mount St. Helens with small plume, from south-southwest.

Mount St. Helens' new growth, from the west. ...
Mount St. Helens' new growth, from the west.
Mount St. Helens' new growth, from the west.
Mount St. Helens' crater, dome, and new growth, from the northeast....
Mount St. Helens' crater, dome, and new growth, from NE.
Mount St. Helens' crater, dome, and new growth, from NE.
Mount St. Helens' crater, dome, and new growth, from NE.

Mount St. Helens' crater, dome, and new growth, from the northeast.

Dome within Mount St. Helens' crater viewed from the east November ...
Dome within Mount St. Helens' crater viewed from east Nov. 2005
Dome within Mount St. Helens' crater viewed from east Nov. 2005
Dome within Mount St. Helens' crater viewed from east Nov. 2005

Dome within Mount St. Helens' crater viewed from the east November 2004.

Mount St. Helens' new growth, from the east. ...
Mount St. Helens' new growth, from the east.
Mount St. Helens' new growth, from the east.
Dome within Mount St. Helens' crater, viewed from the east. Novembe...
Dome within Mount St. Helens' crater, Nov. 11, 2005
Dome within Mount St. Helens' crater, Nov. 11, 2005
Dome within Mount St. Helens' crater, Nov. 11, 2005

Dome within Mount St. Helens' crater, viewed from the east. November 11, 2005

Mount St. Helens' new growth, from the east. Note prominent striati...
Mount St. Helens' new growth, from the east. Note prominent striations
Mount St. Helens' new growth, from the east. Note prominent striations
Mount St. Helens' new growth, from the east. Note prominent striations

Mount St. Helens' new growth, from the east. Note prominent striations.

Base of Mount St. Helens' new growth, from the east. Note prominent...
Base of Mount St. Helens' new growth
Base of Mount St. Helens' new growth
Base of Mount St. Helens' new growth

Base of Mount St. Helens' new growth, from the east. Note prominent striations.

Base of Mount St. Helens' new growth, from the east. Note prominent striations.

Mount St. Helens dome as seen from Sugar Bowl, on the northeast fla...
Mount St. Helens dome as seen from Sugar Bowl, on NE flank. Nov. 2005
Mount St. Helens dome as seen from Sugar Bowl, on NE flank. Nov. 2005
Mount St. Helens dome as seen from Sugar Bowl, on NE flank. Nov. 2005

Mount St. Helens dome as seen from Sugar Bowl, on the northeast flank. November 2005

Mount St. Helens' new growth and plume. The red on the lower right ...
Mount St. Helens' new growth and plume
Mount St. Helens' new growth and plume
Mount St. Helens' new growth and plume

Mount St. Helens' new growth and plume. The red on the lower right is sun glare.

Mount St. Helens' new growth and plume. The red on the lower right is sun glare.

Plume from November 11, 2004 eruption of Mount St. Helens, looking ...
Plume from Nov. 11, 2004 eruption of Mount St. Helens
Plume from Nov. 11, 2004 eruption of Mount St. Helens
Plume from Nov. 11, 2004 eruption of Mount St. Helens

Plume from November 11, 2004 eruption of Mount St. Helens, looking into the sun.

USGS scientists examine new rock samples from the new growth on Mou...
USGS examine new rock samples from new growth on Mount St. Helens
USGS examine new rock samples from new growth on Mount St. Helens
USGS examine new rock samples from new growth on Mount St. Helens

USGS scientists examine new rock samples from the new growth on Mount St. Helens' dome.

Mount St. Helens crater and dome as seen from Johnston Ridge Observ...
Mount St. Helens crater and dome as seen from Johnston Ridge Oct. 2005
Mount St. Helens crater and dome as seen from Johnston Ridge Oct. 2005
Mount St. Helens crater and dome as seen from Johnston Ridge Oct. 2005

Mount St. Helens crater and dome as seen from Johnston Ridge Observatory (JRO). October 2005

Mount St. Helens crater and dome as seen from Johnston Ridge Observ...
Mount St. Helens crater and dome as seen from Johnston Ridge Oct. 2005
Mount St. Helens crater and dome as seen from Johnston Ridge Oct. 2005
Mount St. Helens crater and dome as seen from Johnston Ridge Oct. 2005

Mount St. Helens crater and dome as seen from Johnston Ridge Observatory (JRO). October 2005

Mount St. Helens dome and new growth as seen from the northwest. Oc...
Mount St. Helens dome and new growth, Oct. 2005
Mount St. Helens dome and new growth, Oct. 2005
Mount St. Helens dome and new growth, Oct. 2005

Mount St. Helens dome and new growth as seen from the northwest. October 2005

Mount St. Helens new growth, closein, from the west-northwest. ...
Mount St. Helens new growth, closein, from the west-NW.
Mount St. Helens new growth, closein, from the west-NW.
Mount St. Helens new growth, closein, from the west-NW.

Mount St. Helens new growth, closein, from the west-northwest.