Map showing the extent of the July 2007 eruption flow field relative to surrounding communities. Light red is the extent of the July 2007 eruption flow field. Reddish-brown is the extent of the currently-active Quarry flow as of July 8, 2010, while bright red shows the flow field expansion of the Quarry flow mapped by HVO geologists between July 8 and 14.
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Kilauea July 2007 Eruption Flow (Map)
Map showing the extent of the July 2007 eruption flow field relative to surrounding communities. Light red is the extent of the July 2007 eruption flow field. Reddish-brown is the extent of the currently-active Quarry flow as of July 8, 2010, while bright red shows the flow field expansion of the Quarry flow mapped by HVO geologists between July 8 and 14.
Sampling Fish
Scientist sampling fish at Lake Mead.
Scientist sampling fish at Lake Mead.
Frog in Hiding
Frog in hiding along the Sheyenne River southeast of Maddock, North Dakota. Photograph taken during a bioassessment of the area.
Frog in hiding along the Sheyenne River southeast of Maddock, North Dakota. Photograph taken during a bioassessment of the area.
WRP St. Landry Parish, Louisiana
Wetlands Reserve Program site in St. Landry Parish, Louisiana. Changes in a local river resulted in the landowner’s fields flooding on a regular basis. The landowner worked through the USDA Natural Resources Conservation Service to restore his fields to their natural wetland state.
Wetlands Reserve Program site in St. Landry Parish, Louisiana. Changes in a local river resulted in the landowner’s fields flooding on a regular basis. The landowner worked through the USDA Natural Resources Conservation Service to restore his fields to their natural wetland state.
Brewer's Sparrow Wing
Brewer's sparrow (Spizella breweri) wing spread close up.
Brewer's sparrow (Spizella breweri) wing spread close up.
Brewer's Sparrow Back
Back view of Brewer's sparrow (Spizella breweri) in USGS field worker's hand.
Back view of Brewer's sparrow (Spizella breweri) in USGS field worker's hand.
Brewer's Sparrow Close Up
Side view of Brewer's sparrow (Spizella breweri) in USGS field worker's hand.
Side view of Brewer's sparrow (Spizella breweri) in USGS field worker's hand.
Radio-Tagged Walrus
USGS scientists can follow radio-tagged walruses remotely as they move around the Arctic Basin.
USGS scientists can follow radio-tagged walruses remotely as they move around the Arctic Basin.
Brewer's Sparrow Nest
Two Brewer's sparrow (Spizella breweri) chicks and one egg in nest, Steens Mountain, SE Oregon.
Two Brewer's sparrow (Spizella breweri) chicks and one egg in nest, Steens Mountain, SE Oregon.
Walruses in Chukchi Sea
Walruses resting on an ice floe in the Chukchi sea.
Walruses resting on an ice floe in the Chukchi sea.
Brewer's Sparrow Nest
Two Brewer's sparrow (Spizella breweri) chicks and one egg in nest, Steens Mountain, SE Oregon.
Two Brewer's sparrow (Spizella breweri) chicks and one egg in nest, Steens Mountain, SE Oregon.
Scientists in Chukchi Sea
Scientists travel to the Chukchi and Bering seas to radio-tag walruses.
Scientists travel to the Chukchi and Bering seas to radio-tag walruses.
Walruses in Chukchi Sea
Walruses resting on an ice floe in the Chukchi sea.
Walruses resting on an ice floe in the Chukchi sea.
Receding Shoreline
Receding shoreline on the east side of the Salton Sea, California.
Receding shoreline on the east side of the Salton Sea, California.
Receding Shoreline
Receding shoreline on the east side of the Salton Sea, California.
Receding shoreline on the east side of the Salton Sea, California.
Native Fish and Wildfire
Colorado-native Rio Grande Cuttroat Trout salvaged after Medano Creek wildfire, Great Sand Dunes National Park, Colorado.
Colorado-native Rio Grande Cuttroat Trout salvaged after Medano Creek wildfire, Great Sand Dunes National Park, Colorado.
USGS automated water-quality sampler in Sequoia National Park, 2010
USGS automated water-quality sampler in Sequoia National Park, 2010USGS automated water-quality sampling equipment in Yosemite National Park, 2010. Photograph by Harrison Forrester, National Park Service
USGS automated water-quality sampler in Sequoia National Park, 2010
USGS automated water-quality sampler in Sequoia National Park, 2010USGS automated water-quality sampling equipment in Yosemite National Park, 2010. Photograph by Harrison Forrester, National Park Service
Medano Creek Wildfire
Medano Creek after wildfire.
Looking Southeast Along Kilauea TEB Tube System
View looking southeast along the fuming trace of the TEB tube system. The growing rootless shield field is in the background just above and to the left of center frame. The low, rounded shape of the shields--especially the shield in shadow to the left--are evident in this photo.
View looking southeast along the fuming trace of the TEB tube system. The growing rootless shield field is in the background just above and to the left of center frame. The low, rounded shape of the shields--especially the shield in shadow to the left--are evident in this photo.
Yellowstone Temperature Logger
Yellowstone Volcano Observatory temperature logger and radio transmitter installed in a weatherproof case under a public boardwalk in Yellowstone National Park. The white cable leads to a temperature sensor in the water under the rocks.
Yellowstone Volcano Observatory temperature logger and radio transmitter installed in a weatherproof case under a public boardwalk in Yellowstone National Park. The white cable leads to a temperature sensor in the water under the rocks.
Upper Mississippi River, Pool 7
This is an aerial view looking south from above Pool 7 of the Upper Mississippi River near Trempealeau, WI. The navigation dam which creates the pool appears slightly below the horizon in the upper left quadrant. Wing dams are evidenced by the rippling water in the river channel as they direct the flow toward the main channel. The complex backwater
This is an aerial view looking south from above Pool 7 of the Upper Mississippi River near Trempealeau, WI. The navigation dam which creates the pool appears slightly below the horizon in the upper left quadrant. Wing dams are evidenced by the rippling water in the river channel as they direct the flow toward the main channel. The complex backwater