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Baker01_aerial_view_mount_baker_03-21-01.jpg
Aerial view, Mount Baker, Washington.
USGS Photograph taken March 21, 2001, by Ken McGee.
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Baker01_mount_baker_washington_03-21-01.jpg
Mount Baker, Washington.
USGS Photograph taken March 21, 2001, by Ken McGee.
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Baker01_mount_baker_sherman_crater_03-21-01.jpg
Sherman Crater, Mount Baker, Washington.
USGS Photograph taken March 21, 2001, by Ken McGee.
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GP07_glacier_peak_from_east_07-31-07.jpg
Glacier Peak as viewed from the east.
USGS photo taken on July 31, 2007, by Jim Vallance.
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GP07_glacier_peak_cone_from_east_07-31-07.jpg
Glacier Peak as viewed from the east.
USGS photo taken on July 31, 2007, by Jim Vallance.
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GP07_glacier_peak_from_east_08-02-07.jpg
Glacier Peak as viewed from the east.
USGS photo taken on August 2, 2007, by Jim Vallance.
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Rainier75_mount_rainier_from_paradise_1975.jpg
Mount Rainier, Washington, as seen from Paradise, Mount Rainier National Park.
USGS Photograph taken in 1975 by Lyn Topinka.
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Rainier84_mount_rainier_and_tacoma_08-20-84.jpg
Mount Rainier and Tacoma, Washington, as seen from shore along Commencement Bay.
USGS Photograph taken on August 20, 1984, by Lyn Topinka.
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Rainier95_mount_rainier_and_orting_washington_02-08-95.jpg
Mount Rainier and Orting, Washington, as seen from a ridge to the west. Orting is one of the heavily populated areas below the flanks of Mount Rainier.
USGS Photograph taken on February 8, 1995, by David Wieprecht.
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MSH82_st_helens_spirit_lake_reflection_05-19-82.jpg
Mount St. Helens and the devastated area is now within the 110,000-acre Mount St. Helens National Volcanic Monument, under jurisdiction of the United States Forest Service. Visitor centers, interpretive areas, and trails are being established as thousands of tourists, students, and scientists visit the monument daily. Mount St. Helens is once again considered to be one of the most beautiful and interesting of the Cascade volcanic peaks.
USGS Photograph taken on May 19, 1982, by Lyn Topinka.
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MSH82_st_helens_plume_from_harrys_ridge_05-19-82.jpg
Plumes of steam, gas, and ash often occured at Mount St. Helens in the early 1980s. On clear days they could be seen from Portland, Oregon, 50 miles (81 kilometers) to the south. The plume photographed here rose nearly 3,000 feet (1,000 meters) above the volcano's rim. The view is from Harrys Ridge, five miles (8 kilometers) north of the mountain.
USGS Photograph taken on May 19, 1982, by Lyn Topinka.
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MSH05_aerial_st_helens_from_north_02-25-05.jpg
Aerial view of a steaming Mount St. Helens from the north.
USGS Photograph taken on February 25, 2005, by Mike Doukas and Julie Griswold.
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Adams87_mount_adams_from_trout_lake_11-05-87.jpg
Mount Adams, Washington, as seen from Trout Lake, Washington.
USGS Photograph taken on November 5, 1987, by Lyn Topinka.
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Adams05_aerial_adams_from_st_helens_12-06-05.jpg
Aerial view, Mount Adams, Washington, as seen from St. Helens.
USGS Photograph taken on December 6, 2005 by John Pallister.
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Hood85_mount_hood_from_timberline_ca1985.jpg
Mount Hood, Oregon, as seen from timberline.
USGS Photo taken ca.1985 by Lyn Topinka.
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Hood85_mount_hood_and_lost_lake_ca1985.jpg
Mount Hood, Oregon, as seen from Lost Lake.
USGS Photo taken ca.1985 by Lyn Topinka.
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Hood05_aerial_crater_rock_09-15-05_A.jpg
Aerial view, Crater Rock, Mount Hood, Oregon.
USGS Photograph taken on September 15, 2005, by Willie Scott.
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Jefferson84_mount_jefferson_from_east_10-06-84.jpg
Mount Jefferson, Oregon, as seen from the east.
USGS Photograph taken on October 5, 1984, by Lyn Topinka.
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Jefferson05_aerial_jefferson_from_west_12-08-05.jpg
Aerial view, Mount Jefferson, Oregon, as seen from the west.
USGS Photograph taken on December 8, 2005, by Mike Doukas.
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Wash84_mount_washington_oregon_10-01-84.jpg
Mount Washington, Oregon, as seen from the east.
USGS Photograph taken October 1, 1984, by Lyn Topinka.
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Belknap84_belknap_shield_volcano_10-01-84.jpg
Belknap Shield Volcano, Oregon. View from McKenzie Pass.
USGS Photograph taken on October 1, 1984, by Lyn Topinka.
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Belknap05_aerial_washington_belknap_others_from_SW_12-08-05.jpg
Aerial view, left to right, Mount Washington, Belknap Shield Volcano, Black Crater, and Trout Creek Butte, Oregon, as seen from the southwest.
USGS Photograph taken on December 8, 2005, by Mike Doukas.
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Sisters85_aerial_three_sisters_oregon_09-85.jpg
Aerial view, the Three Sisters volcanoes in Oregon, from the south looking north. Left to right -- South Sister, Middle Sister, and North Sister.
USGS Photograph taken in September 1985 by Lyn Topinka.
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Sisters85_south_sister_from_SE_09-85.jpg
South Sister as seen from the southeast.
USGS Photograph taken in September 1985 by Lyn Topinka.
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Sisters77_south_sister_lava_flows_09-77.jpg
Aerial view of the south flank of South Sister composite volcano showing numerous blocky lava flows erupted about 2,000 years ago. Early eruptions formed Rock Mesa (just above center, far left), a broad flat flow emplaced on nearly level ground. Subsequent eruptions formed a line of lava domes and flows that extend from Sparks Lake meadow (lower right) to Green Lakes (just above center, far right). Several small lava domes were also formed on the northeast flank, out of view. Cratered cone in lower left is Talapus Butte, a basaltic scoria cone.
USGS Photograph taken in September 1977 by C.Dan Miller.
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Sisters85_USGS_scientist_EDM_lines_south_sister_09-85.jpg
USGS Scientist conducting Electronic Distance Measurement (EDM) lines, South Sister Volcano. EDM lines are conducted routinely to monitor these Cascades volcanoes for potential eruptive activity. By measuring the distance between two fixed points, these instruments can detect minor swelling of the volcanic edifice that often occurs prior to eruptions. The helicopter is measure air temperature along the line the EDM is reading.
USGS Photograph taken in September 1985 by Lyn Topinka.
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Sisters95_south_sister_and_sparks_lake_1995.jpg
South Sister volcano, reflected in the waters of Sparks Lake, is the highest and youngest of the Three Sisters volcanoes in the central Oregon Cascades. The summit cone of South Sister has not erupted since the very latest Pleistocene, but the light-colored rocks above the meadow at the left are part of a group of lava flows on the flank that were extruded about 2000 years ago.
USGS Photograph taken in 1995 by David Wieprecht.
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Sisters05_south_sister_from_west_02-09-05.jpg
South Sister from the west.
USGS Photograph taken in February 9, 2005, by Gene Iwatsubo.
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BrokenTop84_view_of_broken_top_10-01-84.jpg
Broken Top Volcano as viewed from Sparks Lake area.
USGS Photo taken October 1, 1984, by Lyn Topinka.
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Bachelor81_aerial_mount_bachelor_1981.jpg
Aerial view, Mount Bachelor.
USGS Photograph taken in 1981 by W.E. Scott.
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Bachelor85_aerial_mount_bachelor_sparks_lake_1985.jpg
Aerial view, Mount Bachelor and Sparks Lake.
USGS Photograph taken in 1985 by Lyn Topinka.
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Bachelor05_mount_bachelor_from_south_sister_02-09-05.jpg
Mount Bachelor as seen from South Sister.
USGS Photograph taken in February 9, 2005, by Gene Iwatsubo.
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Newberry85_newberry_caldera_obsidian_flow_08-20-85.jpg
Newberry Caldera, with the Big Obsidian Flow. Paulina Lake is on the left and East Lake is on the right.
USGS Photo taken August 20, 1985, by Lyn Topinka.
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DiamondPeak05_aerial_diamond_peak_crescent_lake_12-10-05.jpg
Aerial view, Diamond Peak and Crescent Lake, Oregon, as seen from the west.
USGS Photograph taken on December 10, 2005, by Mike Doukas.
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Thielsen87_aerial_thielsen_09-87.jpg
Aerial view Mount Thielsen, Oregon.
USGS Photograph taken in September 1987, by W.E. Scott.
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CraterLake82_crater_lake_and_wizard_island_09-82.jpg
Crater Lake and Wizard Island.
USGS Photograph taken in September 1982 by Lyn Topinka.
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CraterLake05_aerial_crater_lake_mount_scott_12-10-05.jpg
Aerial view, Crater Lake, Wizard Island, and Mount Scott, as seen from the west.
USGS Photograph taken on December 10, 2005, by Mike Doukas.
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Shasta84_mount_shasta_with_shastina_1984.jpg
Mount Shasta and Shastina, California.
USGS Photograph taken by Lyn Topinka, 1984
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Shasta05_aerial_mount_shasta_shastina_12-10-05.jpg
Aerial view, Mount Shasta and Shastina, as seen from the west.
USGS Photograph taken on December 10, 2005, by Mike Doukas.
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Lassen82_lassen_peak_and_kings_creek_10-82.jpg
Lassen Peak, California, and Kings Creek Meadows, Lassen Volcanic National Park.
USGS Photograph taken in October 1982 by Lyn Topinka
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Lassen82_lassen_peak_and_lake_helen_10-82.jpg
Lassen Peak, California, and Lake Helen, Lassen Volcanic National Park.
USGS Photograph taken in October 1982 by Lyn Topinka
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Lassen05_aerial_chaos_crags_lassen_peak_12-10-05.jpg
Aerial view, Chaos Crags (left) and Lassen Peak (center), as seen from the west.
USGS Photograph taken on December 10, 2005, by Mike Doukas.
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