Whitefish drying on a fish rack in Pilot Station, AK, in the Yukon River Basin.
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Whitefish drying on a fish rack in Pilot Station, AK
Whitefish drying on a fish rack in Pilot Station, AK, in the Yukon River Basin.
Researcher takes winter water chemistry samples on the Yukon River
Researcher Carol Hasburgh taking winter water chemistry samples on the Yukon River for a permafrost loss study.
Researcher Carol Hasburgh taking winter water chemistry samples on the Yukon River for a permafrost loss study.
USGS scientist places radiocollar on a sedated bull caribou in Alaska
USGS scientist Layne Adams places a radiocollar on a sedated large bull caribou in Denali National Park, Alaska.
USGS scientist Layne Adams places a radiocollar on a sedated large bull caribou in Denali National Park, Alaska.
USGS biologist weighs a newborn caribou calf in Alaska
USGS biologist Gretchen Roffler weighs a newborn caribou calf in Denali National Park, Alaska.
USGS biologist Gretchen Roffler weighs a newborn caribou calf in Denali National Park, Alaska.
Emperor geese at the shoreline in Kodiak
Emperor geese at the shoreline in Kodiak.
Emperor geese at the shoreline in Kodiak.
Scanning Electron Microscope image of volcanic ash
Scanning Electron Microscope image of resuspended volcanic ash from the 1912 Novarupta-Katmai deposits in the Katmai region, picked up during high winds on November 1, 2015 and carried to Larsen Bay on Kodiak Island, AK. Sample collected by Sherry Harmes of Larsen Bay.
Scanning Electron Microscope image of resuspended volcanic ash from the 1912 Novarupta-Katmai deposits in the Katmai region, picked up during high winds on November 1, 2015 and carried to Larsen Bay on Kodiak Island, AK. Sample collected by Sherry Harmes of Larsen Bay.
A Red-breasted Nuthatch captured at an Anchorage banding station
A Red-breasted Nuthatch captured at an Anchorage banding station
A Red-breasted Nuthatch captured at an Anchorage banding station
Female and cub polar bear on land near Kaktovik, Alaska
Female and cub polar bear on land near Kaktovik, Alaska
Female and cub polar bear on land near Kaktovik, Alaska
Repairing Seismic Stations in Alaska
AVO seismologists work to repair a seismic station on Little Sitkin Volcano in the western Aleutians Islands.
AVO seismologists work to repair a seismic station on Little Sitkin Volcano in the western Aleutians Islands.
Repairing Seismic Stations in Alaska
USGS\AVO seismologist works to replace an old seismometer at seismic station LSSA on Little Sitkin Volcano in the western Aleutian Arc.
USGS\AVO seismologist works to replace an old seismometer at seismic station LSSA on Little Sitkin Volcano in the western Aleutian Arc.
Earth MRI - Yukon Tanana Uplands Alaska
Earth MRI - Yukon Tanana Uplands Alaska
Helicopter landing to pick up field personnel in Alaska
Helicopter landing to pick up field personnel after a day of geologic mapping and sampling in the Fortymile region north of Tok, Alaska.
Helicopter landing to pick up field personnel after a day of geologic mapping and sampling in the Fortymile region north of Tok, Alaska.
A high alpine tributary of the Agashashok River
A high alpine tributary of the Agashashok River.
A high alpine tributary of the Agashashok River.
Allen Bondurant measuring the depth to permafrost along a thermokarst lake shore.
Allen Bondurant measuring the depth to permafrost along a thermokarst lake shore.
Allen Bondurant measuring the depth to permafrost along a thermokarst lake shore.
Quartz veins across outcrops of granitic gneiss on Divide Mt., Alaska
Half-meter-thick quartz veins cut across outcrops of granitic gneiss on Divide Mountain along the Alaska-Yukon border, August 2015
Half-meter-thick quartz veins cut across outcrops of granitic gneiss on Divide Mountain along the Alaska-Yukon border, August 2015
Mother and young caribou on Yukon-Alaska border
A mother caribou and her offspring, east of Chicken, Alaska (on the Yukon-Alaska border).
A mother caribou and her offspring, east of Chicken, Alaska (on the Yukon-Alaska border).
Scientist examining strongly deformed and metamorphosed rock outcrops
USGS scientist examining outcrops of strongly deformed and metamorphosed rock along Divide Mountain in the Yukon-Tanana upland of eastern Alaska
USGS scientist examining outcrops of strongly deformed and metamorphosed rock along Divide Mountain in the Yukon-Tanana upland of eastern Alaska
Sediment core showing tsunami deposits on Sitkalidak Island, Alaska
Sediment core showing sandy tsunami deposits over soil from an upland environment on Sitkalidak Island, Alaska.
Sediment core showing sandy tsunami deposits over soil from an upland environment on Sitkalidak Island, Alaska.
Pipetting PCR products into an acrylamide gel
Rob Wilson pipetting PCR products into an acrylamide gel; after electrophoresis he'll be able to visualize fragment size differences within and among individuals.
Rob Wilson pipetting PCR products into an acrylamide gel; after electrophoresis he'll be able to visualize fragment size differences within and among individuals.
Alaska Panorama with Snowy Mountains in Distance
