Images

Two polar bears swimming in the water in the Beaufort Sea

Drawing blood samples from an anesthetized polar bear

Normal Black-capped Chickadee

A clear Montana Bill Creek flowing into volcanically silted creek. Coho salmon are seen holding in the clear water area. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.

A coho salmon holding in Montana Bill Creek after the Redoubt volcano eruption.

Cannery Creek on the west side of Cook Inlet, Alaska.  Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.

Drift River on the west side of Cook Inlet, Alaska. Lahars from the eruption of Redoubt are evident. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.

Drift River on the west side of Cook Inlet, Alaska. Lahars from the eruption of Redoubt are evident. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.  Alaska Department of Fish and Game had done surveys in this particular area and found coho salmon before the eruption.

A panorama of the Redoubt Volcano after the 2009 eruption and the Drift River delta in the foreground

View of the amount of lahar deposit from across the river and the amount of deposit the river has eroded out to sea in about 6 months. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.

Lower Drift River with tremendous amount of silt from the lahars. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.

Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.

Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska.  This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.

Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska.  This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.

Aerial views of streams on the west side of Cook Inlet, Alaska.  This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.

Aerial views of streams on the west side of Cook Inlet, Alaska.  This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.

Upper Crescent River on the west side of Cook Inlet, Alaska. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.

Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska.  This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.

Retreating glacier viewed southward from Polychrome Mountain in Denali National Park, Alaska, on July 29, 2009.

Ed Pfeifer of the USGS Southwest Geographic Science Team recording field notes in alpine tundra during a field study of Dall sheep habitat in Denali National Park, Alaska, on July 29, 2009.

Ed Pfeifer of the USGS Southwest Geographic Science Team surveying alpine vegetation during a field study of Dall sheep habitat in Denali National Park, Alaska, on July 28, 2009.