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large log carried by current in muddy river
Large wood transported by flood waters
Large wood transported by flood waters
Large wood transported by flood waters

November 2006 recorded extensive flooding across Western Washington. High flows transported large amounts of sediment and large wood, as shown in this photograph taken near USGS streamgage 12093500.

November 2006 recorded extensive flooding across Western Washington. High flows transported large amounts of sediment and large wood, as shown in this photograph taken near USGS streamgage 12093500.

Muddy water flows past a crumbling, eroded pathway.
Flood waters erode riverbank
Flood waters erode riverbank
Flood waters erode riverbank

In November 2006, flooding damaged infrastructure alongside several rivers in Western Washington. This photograph shows where Puyallup River eroded parts of the riverbank near USGS streamgage 12092000.

In November 2006, flooding damaged infrastructure alongside several rivers in Western Washington. This photograph shows where Puyallup River eroded parts of the riverbank near USGS streamgage 12092000.

Man wearing rain gear crouches to adjust equipment on platform next to flooding river.
Hydrologic Technician Prepares for High Flow Measurement from a Cableway
Hydrologic Technician Prepares for High Flow Measurement from a Cableway
Hydrologic Technician Prepares for High Flow Measurement from a Cableway

High flows and floods affected several Western Washington rivers in November 2006. This photo shows a hydrologic technician preparing to measure the Puyallup River near Orting, WA from a cableway.

Man wearing personal flotation device and rain gear adjusts equipment on a platform over a river.
High Flow Cableway Measurement
High Flow Cableway Measurement
High Flow Cableway Measurement

A USGS hydrologic technician adjusts equipment while preparing to make a measurement from a cableway. Cableways provide technicians with a way to safely measure fast-flowing rivers. 

A USGS hydrologic technician adjusts equipment while preparing to make a measurement from a cableway. Cableways provide technicians with a way to safely measure fast-flowing rivers. 

Flood waters carry large logs and inundate the base of trees
Puyallup River Flood, 2006
Puyallup River Flood, 2006
Puyallup River Flood, 2006

In November 2006, the Puyallup River overtopped its banks in several locations, including near USGS streamgage 12096500. Flood waters carried sediment and large wood.

In November 2006, the Puyallup River overtopped its banks in several locations, including near USGS streamgage 12096500. Flood waters carried sediment and large wood.

Appearance of descaling site exposed to fast green FCF dye
Figure 1. Appearance of Descaling Site Exposed to Fast Green FCF Dye
Figure 1. Appearance of Descaling Site Exposed to Fast Green FCF Dye
Figure 1. Appearance of Descaling Site Exposed to Fast Green FCF Dye

Figure 1. Appearance of descaling site exposed to fast green FCF dye six hours after intentional descaling injury, showing loss of scales and presence of fast green staining. Areas of unintentional integumental injury are also stained (arrows).

Related image Figure 2.

Figure 1. Appearance of descaling site exposed to fast green FCF dye six hours after intentional descaling injury, showing loss of scales and presence of fast green staining. Areas of unintentional integumental injury are also stained (arrows).

Related image Figure 2.

Scanning electron micrograph of descaling area
Figure 2. Scanning Electron Micrograph of Descaling Area
Figure 2. Scanning Electron Micrograph of Descaling Area
Figure 2. Scanning Electron Micrograph of Descaling Area

Figure 2. Scanning electron micrograph of descaling area delimited by box in Figure 1 showing epidermal disruption, empty scale pockets and an exposed scale with visible concentric ridges (upper right). Scale bar = 500 µm.

Figure 2. Scanning electron micrograph of descaling area delimited by box in Figure 1 showing epidermal disruption, empty scale pockets and an exposed scale with visible concentric ridges (upper right). Scale bar = 500 µm.

Figure 3. Appearance of Descaling Site Exposed to Fast Green FCF Dye
Figure 3. Appearance of Descaling Site Exposed to Fast Green FCF Dye
Figure 3. Appearance of Descaling Site Exposed to Fast Green FCF Dye
Figure 3. Appearance of Descaling Site Exposed to Fast Green FCF Dye

Figure 3. Appearance of descaling site exposed to fast green FCF dye 96 hours after intentional descaling injury, showing lack of scales, presence of fast green staining in areas of epidermal disruption and absence of staining in areas where migrating epidermal cells have closed the wound.

Figure 3. Appearance of descaling site exposed to fast green FCF dye 96 hours after intentional descaling injury, showing lack of scales, presence of fast green staining in areas of epidermal disruption and absence of staining in areas where migrating epidermal cells have closed the wound.

Figure 4. Scanning Electron Micrograph of Descaling Area
Figure 4. Scanning Electron Micrograph of Descaling Area
Figure 4. Scanning Electron Micrograph of Descaling Area
Figure 4. Scanning Electron Micrograph of Descaling Area

Figure 4.  Scanning electron micrograph of descaling area delimited by box in Figure 3 showing epidermal disruption (arrows), empty scale pockets and restoration of epidermal integrity (asterisk). An exposed scale with visible concentric ridges is visible at the lower center. Scale bar = 500 µm.

Figure 4.  Scanning electron micrograph of descaling area delimited by box in Figure 3 showing epidermal disruption (arrows), empty scale pockets and restoration of epidermal integrity (asterisk). An exposed scale with visible concentric ridges is visible at the lower center. Scale bar = 500 µm.

View of monitoring station VALT located on the crater floor of Mount St. Helens with Crater Glacier in the background.
Monitoring station VALT was installed on the crater floor of Mount St. Helens in 2006.
Monitoring station VALT was installed on the crater floor of Mount St. Helens in 2006.
Monitoring station VALT was installed on the crater floor of Mount St. Helens in 2006.

Monitoring station VALT was installed on the crater floor of Mount St. Helens in 2006. It was called VALT because a vault-like structure about the size of a large doghouse was built into the rocky deposits to protect the state-of-the-art (at that time) broadband seismometer from environmental variables such as temperature and humidity.

Monitoring station VALT was installed on the crater floor of Mount St. Helens in 2006. It was called VALT because a vault-like structure about the size of a large doghouse was built into the rocky deposits to protect the state-of-the-art (at that time) broadband seismometer from environmental variables such as temperature and humidity.

Seismic station at Yellow Rock (YEL) with the toe of the west arm o...
Seismic station at Yellow Rock (YEL) with the toe of the west arm o...
Seismic station at Yellow Rock (YEL) with the toe of the west arm o...
Seismic station at Yellow Rock (YEL) with the toe of the west arm o...

Seismic station at Yellow Rock (YEL) with the toe of the west arm of Crater Glacier in the background. This station site was eventually covered by the glacier.

Weighing sturgeon
Researcher weighing a sturgeon
Researcher weighing a sturgeon
Researcher weighing a sturgeon

Researcher weighing sturgeon.  Columbia River, bottom trawl for young-of-year (YOY) indexing.

Measuring sturgeon length
Researcher measuring sturgeon length
Researcher measuring sturgeon length
Researcher measuring sturgeon length

Researcher measuring sturgeon length. Bottom trawl for young-of-year (YOY) indexing. Columbia River.

Koi infected with spring viremia of carp virus
Investigation and disease prevention of Spring Viremia of Carp Virus
Investigation and disease prevention of Spring Viremia of Carp Virus
Investigation and disease prevention of Spring Viremia of Carp Virus

Typical clinical signs of disease, pop eye, dermal hemorrhages, abdominal distension, and hemorrhages at the base of fins, displayed in koi infected with spring viremia of carp virus (SVCV).

Helicopter flying toward lava spine at Mount St. Helens to collect ...
Helicopter flying toward lava spine at Mount St. Helens to collect ...
Helicopter flying toward lava spine at Mount St. Helens to collect ...
Helicopter flying toward lava spine at Mount St. Helens to collect ...

Helicopter flying toward lava spine at Mount St. Helens to collect rocks—note the "Jaws" collector hanging underneath. April 28, 2007

Topographic map, Mount St. Helens, C.E. 1919 annotated with locatio...
Topographic map, Mount St. Helens, C.E. 1919 annotated with locatio...
Topographic map, Mount St. Helens, C.E. 1919 annotated with locatio...
Topographic map, Mount St. Helens, C.E. 1919 annotated with locatio...

Due to the cataclysmic eruption of May 18, 1980, many of the locations annotated on this map are now either covered or no longer visible.

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